66403460

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{101}}^1\times {\mathrm{463}}^1$

素因数の和:644

約数の個数: 48

約数和(自身を含む): 143119872

約数和(自身を除く): 76716412

約数列:

[1, 2, 4, 5, 10, 20, 71, 101, 142, 202, 284, 355, 404, 463, 505, 710, 926, 1010, 1420, 1852, 2020, 2315, 4630, 7171, 9260, 14342, 28684, 32873, 35855, 46763, 65746, 71710, 93526, 131492, 143420, 164365, 187052, 233815, 328730, 467630, 657460, 935260, 3320173, 6640346, 13280692, 16600865, 33201730, 66403460]

約数ペア:

[(1, 66403460), (2, 33201730), (4, 16600865), (5, 13280692), (10, 6640346), (20, 3320173), (71, 935260), (101, 657460), (142, 467630), (202, 328730), (284, 233815), (355, 187052), (404, 164365), (463, 143420), (505, 131492), (710, 93526), (926, 71710), (1010, 65746), (1420, 46763), (1852, 35855), (2020, 32873), (2315, 28684), (4630, 14342), (7171, 9260)]