9670721840

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{489409}}^1$

素因数の和:489454

約数の個数: 80

約数和(自身を含む): 25488472800

約数和(自身を除く): 15817750960

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 19, 20, 26, 38, 40, 52, 65, 76, 80, 95, 104, 130, 152, 190, 208, 247, 260, 304, 380, 494, 520, 760, 988, 1040, 1235, 1520, 1976, 2470, 3952, 4940, 9880, 19760, 489409, 978818, 1957636, 2447045, 3915272, 4894090, 6362317, 7830544, 9298771, 9788180, 12724634, 18597542, 19576360, 25449268, 31811585, 37195084, 39152720, 46493855, 50898536, 63623170, 74390168, 92987710, 101797072, 120884023, 127246340, 148780336, 185975420, 241768046, 254492680, 371950840, 483536092, 508985360, 604420115, 743901680, 967072184, 1208840230, 1934144368, 2417680460, 4835360920, 9670721840]

約数ペア:

[(1, 9670721840), (2, 4835360920), (4, 2417680460), (5, 1934144368), (8, 1208840230), (10, 967072184), (13, 743901680), (16, 604420115), (19, 508985360), (20, 483536092), (26, 371950840), (38, 254492680), (40, 241768046), (52, 185975420), (65, 148780336), (76, 127246340), (80, 120884023), (95, 101797072), (104, 92987710), (130, 74390168), (152, 63623170), (190, 50898536), (208, 46493855), (247, 39152720), (260, 37195084), (304, 31811585), (380, 25449268), (494, 19576360), (520, 18597542), (760, 12724634), (988, 9788180), (1040, 9298771), (1235, 7830544), (1520, 6362317), (1976, 4894090), (2470, 3915272), (3952, 2447045), (4940, 1957636), (9880, 978818), (19760, 489409)]