65804980

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{157}}^1\times {\mathrm{1103}}^1$

素因数の和:1288

約数の個数: 48

約数和(自身を含む): 146522880

約数和(自身を除く): 80717900

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 157, 190, 314, 380, 628, 785, 1103, 1570, 2206, 2983, 3140, 4412, 5515, 5966, 11030, 11932, 14915, 20957, 22060, 29830, 41914, 59660, 83828, 104785, 173171, 209570, 346342, 419140, 692684, 865855, 1731710, 3290249, 3463420, 6580498, 13160996, 16451245, 32902490, 65804980]

約数ペア:

[(1, 65804980), (2, 32902490), (4, 16451245), (5, 13160996), (10, 6580498), (19, 3463420), (20, 3290249), (38, 1731710), (76, 865855), (95, 692684), (157, 419140), (190, 346342), (314, 209570), (380, 173171), (628, 104785), (785, 83828), (1103, 59660), (1570, 41914), (2206, 29830), (2983, 22060), (3140, 20957), (4412, 14915), (5515, 11932), (5966, 11030)]