28035280

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{3851}}^1$

素因数の和:3884

約数の個数: 80

約数和(自身を含む): 80244864

約数和(自身を除く): 52209584

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 26, 28, 35, 40, 52, 56, 65, 70, 80, 91, 104, 112, 130, 140, 182, 208, 260, 280, 364, 455, 520, 560, 728, 910, 1040, 1456, 1820, 3640, 3851, 7280, 7702, 15404, 19255, 26957, 30808, 38510, 50063, 53914, 61616, 77020, 100126, 107828, 134785, 154040, 200252, 215656, 250315, 269570, 308080, 350441, 400504, 431312, 500630, 539140, 700882, 801008, 1001260, 1078280, 1401764, 1752205, 2002520, 2156560, 2803528, 3504410, 4005040, 5607056, 7008820, 14017640, 28035280]

約数ペア:

[(1, 28035280), (2, 14017640), (4, 7008820), (5, 5607056), (7, 4005040), (8, 3504410), (10, 2803528), (13, 2156560), (14, 2002520), (16, 1752205), (20, 1401764), (26, 1078280), (28, 1001260), (35, 801008), (40, 700882), (52, 539140), (56, 500630), (65, 431312), (70, 400504), (80, 350441), (91, 308080), (104, 269570), (112, 250315), (130, 215656), (140, 200252), (182, 154040), (208, 134785), (260, 107828), (280, 100126), (364, 77020), (455, 61616), (520, 53914), (560, 50063), (728, 38510), (910, 30808), (1040, 26957), (1456, 19255), (1820, 15404), (3640, 7702), (3851, 7280)]