57564020

素因数分解:

$2^2\times 5^1\times {\mathrm{127}}^1\times {\mathrm{131}}^1\times {\mathrm{173}}^1$

素因数の和:440

約数の個数: 48

約数和(自身を含む): 123475968

約数和(自身を除く): 65911948

約数列:

[1, 2, 4, 5, 10, 20, 127, 131, 173, 254, 262, 346, 508, 524, 635, 655, 692, 865, 1270, 1310, 1730, 2540, 2620, 3460, 16637, 21971, 22663, 33274, 43942, 45326, 66548, 83185, 87884, 90652, 109855, 113315, 166370, 219710, 226630, 332740, 439420, 453260, 2878201, 5756402, 11512804, 14391005, 28782010, 57564020]

約数ペア:

[(1, 57564020), (2, 28782010), (4, 14391005), (5, 11512804), (10, 5756402), (20, 2878201), (127, 453260), (131, 439420), (173, 332740), (254, 226630), (262, 219710), (346, 166370), (508, 113315), (524, 109855), (635, 90652), (655, 87884), (692, 83185), (865, 66548), (1270, 45326), (1310, 43942), (1730, 33274), (2540, 22663), (2620, 21971), (3460, 16637)]