20445090125

素因数分解:

$5^3\times {\mathrm{19}}^1\times {\mathrm{97}}^1\times {\mathrm{88747}}^1$

素因数の和:88878

約数の個数: 32

約数和(自身を含む): 27135588480

約数和(自身を除く): 6690498355

約数列:

[1, 5, 19, 25, 95, 97, 125, 475, 485, 1843, 2375, 2425, 9215, 12125, 46075, 88747, 230375, 443735, 1686193, 2218675, 8430965, 8608459, 11093375, 42154825, 43042295, 163560721, 210774125, 215211475, 817803605, 1076057375, 4089018025, 20445090125]

約数ペア:

[(1, 20445090125), (5, 4089018025), (19, 1076057375), (25, 817803605), (95, 215211475), (97, 210774125), (125, 163560721), (475, 43042295), (485, 42154825), (1843, 11093375), (2375, 8608459), (2425, 8430965), (9215, 2218675), (12125, 1686193), (46075, 443735), (88747, 230375)]