55013840

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{3169}}^1$

素因数の和:3220

約数の個数: 80

約数和(自身を含む): 150942720

約数和(自身を除く): 95928880

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 31, 35, 40, 56, 62, 70, 80, 112, 124, 140, 155, 217, 248, 280, 310, 434, 496, 560, 620, 868, 1085, 1240, 1736, 2170, 2480, 3169, 3472, 4340, 6338, 8680, 12676, 15845, 17360, 22183, 25352, 31690, 44366, 50704, 63380, 88732, 98239, 110915, 126760, 177464, 196478, 221830, 253520, 354928, 392956, 443660, 491195, 687673, 785912, 887320, 982390, 1375346, 1571824, 1774640, 1964780, 2750692, 3438365, 3929560, 5501384, 6876730, 7859120, 11002768, 13753460, 27506920, 55013840]

約数ペア:

[(1, 55013840), (2, 27506920), (4, 13753460), (5, 11002768), (7, 7859120), (8, 6876730), (10, 5501384), (14, 3929560), (16, 3438365), (20, 2750692), (28, 1964780), (31, 1774640), (35, 1571824), (40, 1375346), (56, 982390), (62, 887320), (70, 785912), (80, 687673), (112, 491195), (124, 443660), (140, 392956), (155, 354928), (217, 253520), (248, 221830), (280, 196478), (310, 177464), (434, 126760), (496, 110915), (560, 98239), (620, 88732), (868, 63380), (1085, 50704), (1240, 44366), (1736, 31690), (2170, 25352), (2480, 22183), (3169, 17360), (3472, 15845), (4340, 12676), (6338, 8680)]