55147960

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{89}}^1\times {\mathrm{2213}}^1$

素因数の和:2320

約数の個数: 64

約数和(自身を含む): 143467200

約数和(自身を除く): 88319240

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 89, 140, 178, 280, 356, 445, 623, 712, 890, 1246, 1780, 2213, 2492, 3115, 3560, 4426, 4984, 6230, 8852, 11065, 12460, 15491, 17704, 22130, 24920, 30982, 44260, 61964, 77455, 88520, 123928, 154910, 196957, 309820, 393914, 619640, 787828, 984785, 1378699, 1575656, 1969570, 2757398, 3939140, 5514796, 6893495, 7878280, 11029592, 13786990, 27573980, 55147960]

約数ペア:

[(1, 55147960), (2, 27573980), (4, 13786990), (5, 11029592), (7, 7878280), (8, 6893495), (10, 5514796), (14, 3939140), (20, 2757398), (28, 1969570), (35, 1575656), (40, 1378699), (56, 984785), (70, 787828), (89, 619640), (140, 393914), (178, 309820), (280, 196957), (356, 154910), (445, 123928), (623, 88520), (712, 77455), (890, 61964), (1246, 44260), (1780, 30982), (2213, 24920), (2492, 22130), (3115, 17704), (3560, 15491), (4426, 12460), (4984, 11065), (6230, 8852)]