1805992040

素因数分解:

$2^3\times 5^1\times {\mathrm{1601}}^1\times {\mathrm{28201}}^1$

素因数の和:29813

約数の個数: 32

約数和(自身を含む): 4066164360

約数和(自身を除く): 2260172320

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1601, 3202, 6404, 8005, 12808, 16010, 28201, 32020, 56402, 64040, 112804, 141005, 225608, 282010, 564020, 1128040, 45149801, 90299602, 180599204, 225749005, 361198408, 451498010, 902996020, 1805992040]

約数ペア:

[(1, 1805992040), (2, 902996020), (4, 451498010), (5, 361198408), (8, 225749005), (10, 180599204), (20, 90299602), (40, 45149801), (1601, 1128040), (3202, 564020), (6404, 282010), (8005, 225608), (12808, 141005), (16010, 112804), (28201, 64040), (32020, 56402)]