1666883920

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{30241}}^1$

素因数の和:30320

約数の個数: 80

約数和(自身を含む): 4252509072

約数和(自身を除く): 2585625152

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 53, 65, 80, 104, 106, 130, 208, 212, 260, 265, 424, 520, 530, 689, 848, 1040, 1060, 1378, 2120, 2756, 3445, 4240, 5512, 6890, 11024, 13780, 27560, 30241, 55120, 60482, 120964, 151205, 241928, 302410, 393133, 483856, 604820, 786266, 1209640, 1572532, 1602773, 1965665, 2419280, 3145064, 3205546, 3931330, 6290128, 6411092, 7862660, 8013865, 12822184, 15725320, 16027730, 20836049, 25644368, 31450640, 32055460, 41672098, 64110920, 83344196, 104180245, 128221840, 166688392, 208360490, 333376784, 416720980, 833441960, 1666883920]

約数ペア:

[(1, 1666883920), (2, 833441960), (4, 416720980), (5, 333376784), (8, 208360490), (10, 166688392), (13, 128221840), (16, 104180245), (20, 83344196), (26, 64110920), (40, 41672098), (52, 32055460), (53, 31450640), (65, 25644368), (80, 20836049), (104, 16027730), (106, 15725320), (130, 12822184), (208, 8013865), (212, 7862660), (260, 6411092), (265, 6290128), (424, 3931330), (520, 3205546), (530, 3145064), (689, 2419280), (848, 1965665), (1040, 1602773), (1060, 1572532), (1378, 1209640), (2120, 786266), (2756, 604820), (3445, 483856), (4240, 393133), (5512, 302410), (6890, 241928), (11024, 151205), (13780, 120964), (27560, 60482), (30241, 55120)]