25186980

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{659}}^1$

素因数の和:698

約数の個数: 144

約数和(自身を含む): 88482240

約数和(自身を除く): 63295260

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, 659, 735, 780, 910, 980, 1092, 1274, 1318, 1365, 1470, 1820, 1911, 1977, 2548, 2636, 2730, 2940, 3185, 3295, 3822, 3954, 4613, 5460, 6370, 6590, 7644, 7908, 8567, 9226, 9555, 9885, 12740, 13180, 13839, 17134, 18452, 19110, 19770, 23065, 25701, 27678, 32291, 34268, 38220, 39540, 42835, 46130, 51402, 55356, 59969, 64582, 69195, 85670, 92260, 96873, 102804, 119938, 128505, 129164, 138390, 161455, 171340, 179907, 193746, 239876, 257010, 276780, 299845, 322910, 359814, 387492, 419783, 484365, 514020, 599690, 645820, 719628, 839566, 899535, 968730, 1199380, 1259349, 1679132, 1799070, 1937460, 2098915, 2518698, 3598140, 4197830, 5037396, 6296745, 8395660, 12593490, 25186980]

約数ペア:

[(1, 25186980), (2, 12593490), (3, 8395660), (4, 6296745), (5, 5037396), (6, 4197830), (7, 3598140), (10, 2518698), (12, 2098915), (13, 1937460), (14, 1799070), (15, 1679132), (20, 1259349), (21, 1199380), (26, 968730), (28, 899535), (30, 839566), (35, 719628), (39, 645820), (42, 599690), (49, 514020), (52, 484365), (60, 419783), (65, 387492), (70, 359814), (78, 322910), (84, 299845), (91, 276780), (98, 257010), (105, 239876), (130, 193746), (140, 179907), (147, 171340), (156, 161455), (182, 138390), (195, 129164), (196, 128505), (210, 119938), (245, 102804), (260, 96873), (273, 92260), (294, 85670), (364, 69195), (390, 64582), (420, 59969), (455, 55356), (490, 51402), (546, 46130), (588, 42835), (637, 39540), (659, 38220), (735, 34268), (780, 32291), (910, 27678), (980, 25701), (1092, 23065), (1274, 19770), (1318, 19110), (1365, 18452), (1470, 17134), (1820, 13839), (1911, 13180), (1977, 12740), (2548, 9885), (2636, 9555), (2730, 9226), (2940, 8567), (3185, 7908), (3295, 7644), (3822, 6590), (3954, 6370), (4613, 5460)]