53621320

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{83}}^1\times {\mathrm{521}}^1$

素因数の和:646

約数の個数: 64

約数和(自身を含む): 126282240

約数和(自身を除く): 72660920

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 83, 124, 155, 166, 248, 310, 332, 415, 521, 620, 664, 830, 1042, 1240, 1660, 2084, 2573, 2605, 3320, 4168, 5146, 5210, 10292, 10420, 12865, 16151, 20584, 20840, 25730, 32302, 43243, 51460, 64604, 80755, 86486, 102920, 129208, 161510, 172972, 216215, 323020, 345944, 432430, 646040, 864860, 1340533, 1729720, 2681066, 5362132, 6702665, 10724264, 13405330, 26810660, 53621320]

約数ペア:

[(1, 53621320), (2, 26810660), (4, 13405330), (5, 10724264), (8, 6702665), (10, 5362132), (20, 2681066), (31, 1729720), (40, 1340533), (62, 864860), (83, 646040), (124, 432430), (155, 345944), (166, 323020), (248, 216215), (310, 172972), (332, 161510), (415, 129208), (521, 102920), (620, 86486), (664, 80755), (830, 64604), (1042, 51460), (1240, 43243), (1660, 32302), (2084, 25730), (2573, 20840), (2605, 20584), (3320, 16151), (4168, 12865), (5146, 10420), (5210, 10292)]