16351940

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{29}}^1\times {\mathrm{233}}^1$

素因数の和:293

約数の個数: 72

約数和(自身を含む): 39213720

約数和(自身を除く): 22861780

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 29, 44, 55, 58, 110, 116, 121, 145, 220, 233, 242, 290, 319, 466, 484, 580, 605, 638, 932, 1165, 1210, 1276, 1595, 2330, 2420, 2563, 3190, 3509, 4660, 5126, 6380, 6757, 7018, 10252, 12815, 13514, 14036, 17545, 25630, 27028, 28193, 33785, 35090, 51260, 56386, 67570, 70180, 74327, 112772, 135140, 140965, 148654, 281930, 297308, 371635, 563860, 743270, 817597, 1486540, 1635194, 3270388, 4087985, 8175970, 16351940]

約数ペア:

[(1, 16351940), (2, 8175970), (4, 4087985), (5, 3270388), (10, 1635194), (11, 1486540), (20, 817597), (22, 743270), (29, 563860), (44, 371635), (55, 297308), (58, 281930), (110, 148654), (116, 140965), (121, 135140), (145, 112772), (220, 74327), (233, 70180), (242, 67570), (290, 56386), (319, 51260), (466, 35090), (484, 33785), (580, 28193), (605, 27028), (638, 25630), (932, 17545), (1165, 14036), (1210, 13514), (1276, 12815), (1595, 10252), (2330, 7018), (2420, 6757), (2563, 6380), (3190, 5126), (3509, 4660)]