25393760

素因数分解:

$2^5\times 5^1\times 7^2\times {\mathrm{41}}^1\times {\mathrm{79}}^1$

素因数の和:149

約数の個数: 144

約数和(自身を含む): 72394560

約数和(自身を除く): 47000800

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 41, 49, 56, 70, 79, 80, 82, 98, 112, 140, 158, 160, 164, 196, 205, 224, 245, 280, 287, 316, 328, 392, 395, 410, 490, 553, 560, 574, 632, 656, 784, 790, 820, 980, 1106, 1120, 1148, 1264, 1312, 1435, 1568, 1580, 1640, 1960, 2009, 2212, 2296, 2528, 2765, 2870, 3160, 3239, 3280, 3871, 3920, 4018, 4424, 4592, 5530, 5740, 6320, 6478, 6560, 7742, 7840, 8036, 8848, 9184, 10045, 11060, 11480, 12640, 12956, 15484, 16072, 16195, 17696, 19355, 20090, 22120, 22673, 22960, 25912, 30968, 32144, 32390, 38710, 40180, 44240, 45346, 45920, 51824, 61936, 64288, 64780, 77420, 80360, 88480, 90692, 103648, 113365, 123872, 129560, 154840, 158711, 160720, 181384, 226730, 259120, 309680, 317422, 321440, 362768, 453460, 518240, 619360, 634844, 725536, 793555, 906920, 1269688, 1587110, 1813840, 2539376, 3174220, 3627680, 5078752, 6348440, 12696880, 25393760]

約数ペア:

[(1, 25393760), (2, 12696880), (4, 6348440), (5, 5078752), (7, 3627680), (8, 3174220), (10, 2539376), (14, 1813840), (16, 1587110), (20, 1269688), (28, 906920), (32, 793555), (35, 725536), (40, 634844), (41, 619360), (49, 518240), (56, 453460), (70, 362768), (79, 321440), (80, 317422), (82, 309680), (98, 259120), (112, 226730), (140, 181384), (158, 160720), (160, 158711), (164, 154840), (196, 129560), (205, 123872), (224, 113365), (245, 103648), (280, 90692), (287, 88480), (316, 80360), (328, 77420), (392, 64780), (395, 64288), (410, 61936), (490, 51824), (553, 45920), (560, 45346), (574, 44240), (632, 40180), (656, 38710), (784, 32390), (790, 32144), (820, 30968), (980, 25912), (1106, 22960), (1120, 22673), (1148, 22120), (1264, 20090), (1312, 19355), (1435, 17696), (1568, 16195), (1580, 16072), (1640, 15484), (1960, 12956), (2009, 12640), (2212, 11480), (2296, 11060), (2528, 10045), (2765, 9184), (2870, 8848), (3160, 8036), (3239, 7840), (3280, 7742), (3871, 6560), (3920, 6478), (4018, 6320), (4424, 5740), (4592, 5530)]