8011640

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1$

素因数の和:133

約数の個数: 128

約数和(自身を含む): 23224320

約数和(自身を除く): 15212680

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 20, 26, 28, 31, 35, 40, 52, 56, 62, 65, 70, 71, 91, 104, 124, 130, 140, 142, 155, 182, 217, 248, 260, 280, 284, 310, 355, 364, 403, 434, 455, 497, 520, 568, 620, 710, 728, 806, 868, 910, 923, 994, 1085, 1240, 1420, 1612, 1736, 1820, 1846, 1988, 2015, 2170, 2201, 2485, 2821, 2840, 3224, 3640, 3692, 3976, 4030, 4340, 4402, 4615, 4970, 5642, 6461, 7384, 8060, 8680, 8804, 9230, 9940, 11005, 11284, 12922, 14105, 15407, 16120, 17608, 18460, 19880, 22010, 22568, 25844, 28210, 28613, 30814, 32305, 36920, 44020, 51688, 56420, 57226, 61628, 64610, 77035, 88040, 112840, 114452, 123256, 129220, 143065, 154070, 200291, 228904, 258440, 286130, 308140, 400582, 572260, 616280, 801164, 1001455, 1144520, 1602328, 2002910, 4005820, 8011640]

約数ペア:

[(1, 8011640), (2, 4005820), (4, 2002910), (5, 1602328), (7, 1144520), (8, 1001455), (10, 801164), (13, 616280), (14, 572260), (20, 400582), (26, 308140), (28, 286130), (31, 258440), (35, 228904), (40, 200291), (52, 154070), (56, 143065), (62, 129220), (65, 123256), (70, 114452), (71, 112840), (91, 88040), (104, 77035), (124, 64610), (130, 61628), (140, 57226), (142, 56420), (155, 51688), (182, 44020), (217, 36920), (248, 32305), (260, 30814), (280, 28613), (284, 28210), (310, 25844), (355, 22568), (364, 22010), (403, 19880), (434, 18460), (455, 17608), (497, 16120), (520, 15407), (568, 14105), (620, 12922), (710, 11284), (728, 11005), (806, 9940), (868, 9230), (910, 8804), (923, 8680), (994, 8060), (1085, 7384), (1240, 6461), (1420, 5642), (1612, 4970), (1736, 4615), (1820, 4402), (1846, 4340), (1988, 4030), (2015, 3976), (2170, 3692), (2201, 3640), (2485, 3224), (2821, 2840)]