202457840

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{194671}}^1$

素因数の和:194697

約数の個数: 40

約数和(自身を含む): 506925888

約数和(自身を除く): 304468048

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 194671, 389342, 778684, 973355, 1557368, 1946710, 2530723, 3114736, 3893420, 5061446, 7786840, 10122892, 12653615, 15573680, 20245784, 25307230, 40491568, 50614460, 101228920, 202457840]

約数ペア:

[(1, 202457840), (2, 101228920), (4, 50614460), (5, 40491568), (8, 25307230), (10, 20245784), (13, 15573680), (16, 12653615), (20, 10122892), (26, 7786840), (40, 5061446), (52, 3893420), (65, 3114736), (80, 2530723), (104, 1946710), (130, 1557368), (208, 973355), (260, 778684), (520, 389342), (1040, 194671)]