196557640

素因数分解:

$2^3\times 5^1\times {\mathrm{131}}^1\times {\mathrm{37511}}^1$

素因数の和:37653

約数の個数: 32

約数和(自身を含む): 445642560

約数和(自身を除く): 249084920

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 131, 262, 524, 655, 1048, 1310, 2620, 5240, 37511, 75022, 150044, 187555, 300088, 375110, 750220, 1500440, 4913941, 9827882, 19655764, 24569705, 39311528, 49139410, 98278820, 196557640]

約数ペア:

[(1, 196557640), (2, 98278820), (4, 49139410), (5, 39311528), (8, 24569705), (10, 19655764), (20, 9827882), (40, 4913941), (131, 1500440), (262, 750220), (524, 375110), (655, 300088), (1048, 187555), (1310, 150044), (2620, 75022), (5240, 37511)]