25377320

素因数分解:

$2^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{131}}^1\times {\mathrm{167}}^1$

素因数の和:338

約数の個数: 64

約数和(自身を含む): 59875200

約数和(自身を除く): 34497880

約数列:

[1, 2, 4, 5, 8, 10, 20, 29, 40, 58, 116, 131, 145, 167, 232, 262, 290, 334, 524, 580, 655, 668, 835, 1048, 1160, 1310, 1336, 1670, 2620, 3340, 3799, 4843, 5240, 6680, 7598, 9686, 15196, 18995, 19372, 21877, 24215, 30392, 37990, 38744, 43754, 48430, 75980, 87508, 96860, 109385, 151960, 175016, 193720, 218770, 437540, 634433, 875080, 1268866, 2537732, 3172165, 5075464, 6344330, 12688660, 25377320]

約数ペア:

[(1, 25377320), (2, 12688660), (4, 6344330), (5, 5075464), (8, 3172165), (10, 2537732), (20, 1268866), (29, 875080), (40, 634433), (58, 437540), (116, 218770), (131, 193720), (145, 175016), (167, 151960), (232, 109385), (262, 96860), (290, 87508), (334, 75980), (524, 48430), (580, 43754), (655, 38744), (668, 37990), (835, 30392), (1048, 24215), (1160, 21877), (1310, 19372), (1336, 18995), (1670, 15196), (2620, 9686), (3340, 7598), (3799, 6680), (4843, 5240)]