64433200

素因数分解:

$2^4\times 5^2\times {\mathrm{13}}^1\times {\mathrm{12391}}^1$

素因数の和:12422

約数の個数: 60

約数和(自身を含む): 166721968

約数和(自身を除く): 102288768

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 25, 26, 40, 50, 52, 65, 80, 100, 104, 130, 200, 208, 260, 325, 400, 520, 650, 1040, 1300, 2600, 5200, 12391, 24782, 49564, 61955, 99128, 123910, 161083, 198256, 247820, 309775, 322166, 495640, 619550, 644332, 805415, 991280, 1239100, 1288664, 1610830, 2478200, 2577328, 3221660, 4027075, 4956400, 6443320, 8054150, 12886640, 16108300, 32216600, 64433200]

約数ペア:

[(1, 64433200), (2, 32216600), (4, 16108300), (5, 12886640), (8, 8054150), (10, 6443320), (13, 4956400), (16, 4027075), (20, 3221660), (25, 2577328), (26, 2478200), (40, 1610830), (50, 1288664), (52, 1239100), (65, 991280), (80, 805415), (100, 644332), (104, 619550), (130, 495640), (200, 322166), (208, 309775), (260, 247820), (325, 198256), (400, 161083), (520, 123910), (650, 99128), (1040, 61955), (1300, 49564), (2600, 24782), (5200, 12391)]