31504465640

素因数分解:

$2^3\times 5^1\times {\mathrm{53}}^1\times {\mathrm{89}}^1\times {\mathrm{166973}}^1$

素因数の和:167126

約数の個数: 64

約数和(自身を含む): 73034427600

約数和(自身を除く): 41529961960

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 53, 89, 106, 178, 212, 265, 356, 424, 445, 530, 712, 890, 1060, 1780, 2120, 3560, 4717, 9434, 18868, 23585, 37736, 47170, 94340, 166973, 188680, 333946, 667892, 834865, 1335784, 1669730, 3339460, 6678920, 8849569, 14860597, 17699138, 29721194, 35398276, 44247845, 59442388, 70796552, 74302985, 88495690, 118884776, 148605970, 176991380, 297211940, 353982760, 594423880, 787611641, 1575223282, 3150446564, 3938058205, 6300893128, 7876116410, 15752232820, 31504465640]

約数ペア:

[(1, 31504465640), (2, 15752232820), (4, 7876116410), (5, 6300893128), (8, 3938058205), (10, 3150446564), (20, 1575223282), (40, 787611641), (53, 594423880), (89, 353982760), (106, 297211940), (178, 176991380), (212, 148605970), (265, 118884776), (356, 88495690), (424, 74302985), (445, 70796552), (530, 59442388), (712, 44247845), (890, 35398276), (1060, 29721194), (1780, 17699138), (2120, 14860597), (3560, 8849569), (4717, 6678920), (9434, 3339460), (18868, 1669730), (23585, 1335784), (37736, 834865), (47170, 667892), (94340, 333946), (166973, 188680)]