25874940

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{677}}^1$

素因数の和:716

約数の個数: 144

約数和(自身を含む): 90895392

約数和(自身を除く): 65020452

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 13, 14, 15, 20, 21, 26, 28, 30, 35, 39, 42, 49, 52, 60, 65, 70, 78, 84, 91, 98, 105, 130, 140, 147, 156, 182, 195, 196, 210, 245, 260, 273, 294, 364, 390, 420, 455, 490, 546, 588, 637, 677, 735, 780, 910, 980, 1092, 1274, 1354, 1365, 1470, 1820, 1911, 2031, 2548, 2708, 2730, 2940, 3185, 3385, 3822, 4062, 4739, 5460, 6370, 6770, 7644, 8124, 8801, 9478, 9555, 10155, 12740, 13540, 14217, 17602, 18956, 19110, 20310, 23695, 26403, 28434, 33173, 35204, 38220, 40620, 44005, 47390, 52806, 56868, 61607, 66346, 71085, 88010, 94780, 99519, 105612, 123214, 132015, 132692, 142170, 165865, 176020, 184821, 199038, 246428, 264030, 284340, 308035, 331730, 369642, 398076, 431249, 497595, 528060, 616070, 663460, 739284, 862498, 924105, 995190, 1232140, 1293747, 1724996, 1848210, 1990380, 2156245, 2587494, 3696420, 4312490, 5174988, 6468735, 8624980, 12937470, 25874940]

約数ペア:

[(1, 25874940), (2, 12937470), (3, 8624980), (4, 6468735), (5, 5174988), (6, 4312490), (7, 3696420), (10, 2587494), (12, 2156245), (13, 1990380), (14, 1848210), (15, 1724996), (20, 1293747), (21, 1232140), (26, 995190), (28, 924105), (30, 862498), (35, 739284), (39, 663460), (42, 616070), (49, 528060), (52, 497595), (60, 431249), (65, 398076), (70, 369642), (78, 331730), (84, 308035), (91, 284340), (98, 264030), (105, 246428), (130, 199038), (140, 184821), (147, 176020), (156, 165865), (182, 142170), (195, 132692), (196, 132015), (210, 123214), (245, 105612), (260, 99519), (273, 94780), (294, 88010), (364, 71085), (390, 66346), (420, 61607), (455, 56868), (490, 52806), (546, 47390), (588, 44005), (637, 40620), (677, 38220), (735, 35204), (780, 33173), (910, 28434), (980, 26403), (1092, 23695), (1274, 20310), (1354, 19110), (1365, 18956), (1470, 17602), (1820, 14217), (1911, 13540), (2031, 12740), (2548, 10155), (2708, 9555), (2730, 9478), (2940, 8801), (3185, 8124), (3385, 7644), (3822, 6770), (4062, 6370), (4739, 5460)]