201980810

素因数分解:

$2^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{101}}^1\times {\mathrm{6451}}^1$

素因数の和:6590

約数の個数: 32

約数和(自身を含む): 379067904

約数和(自身を除く): 177087094

約数列:

[1, 2, 5, 10, 31, 62, 101, 155, 202, 310, 505, 1010, 3131, 6262, 6451, 12902, 15655, 31310, 32255, 64510, 199981, 399962, 651551, 999905, 1303102, 1999810, 3257755, 6515510, 20198081, 40396162, 100990405, 201980810]

約数ペア:

[(1, 201980810), (2, 100990405), (5, 40396162), (10, 20198081), (31, 6515510), (62, 3257755), (101, 1999810), (155, 1303102), (202, 999905), (310, 651551), (505, 399962), (1010, 199981), (3131, 64510), (6262, 32255), (6451, 31310), (12902, 15655)]