20260463980

素因数分解:

$2^2\times 5^1\times {\mathrm{251}}^1\times {\mathrm{941}}^1\times {\mathrm{4289}}^1$

素因数の和:5490

約数の個数: 48

約数和(自身を含む): 42771849120

約数和(自身を除く): 22511385140

約数列:

[1, 2, 4, 5, 10, 20, 251, 502, 941, 1004, 1255, 1882, 2510, 3764, 4289, 4705, 5020, 8578, 9410, 17156, 18820, 21445, 42890, 85780, 236191, 472382, 944764, 1076539, 1180955, 2153078, 2361910, 4035949, 4306156, 4723820, 5382695, 8071898, 10765390, 16143796, 20179745, 21530780, 40359490, 80718980, 1013023199, 2026046398, 4052092796, 5065115995, 10130231990, 20260463980]

約数ペア:

[(1, 20260463980), (2, 10130231990), (4, 5065115995), (5, 4052092796), (10, 2026046398), (20, 1013023199), (251, 80718980), (502, 40359490), (941, 21530780), (1004, 20179745), (1255, 16143796), (1882, 10765390), (2510, 8071898), (3764, 5382695), (4289, 4723820), (4705, 4306156), (5020, 4035949), (8578, 2361910), (9410, 2153078), (17156, 1180955), (18820, 1076539), (21445, 944764), (42890, 472382), (85780, 236191)]