68282440

素因数分解:

$2^3\times 5^1\times {\mathrm{83}}^1\times {\mathrm{131}}^1\times {\mathrm{157}}^1$

素因数の和:382

約数の個数: 64

約数和(自身を含む): 157671360

約数和(自身を除く): 89388920

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 83, 131, 157, 166, 262, 314, 332, 415, 524, 628, 655, 664, 785, 830, 1048, 1256, 1310, 1570, 1660, 2620, 3140, 3320, 5240, 6280, 10873, 13031, 20567, 21746, 26062, 41134, 43492, 52124, 54365, 65155, 82268, 86984, 102835, 104248, 108730, 130310, 164536, 205670, 217460, 260620, 411340, 434920, 521240, 822680, 1707061, 3414122, 6828244, 8535305, 13656488, 17070610, 34141220, 68282440]

約数ペア:

[(1, 68282440), (2, 34141220), (4, 17070610), (5, 13656488), (8, 8535305), (10, 6828244), (20, 3414122), (40, 1707061), (83, 822680), (131, 521240), (157, 434920), (166, 411340), (262, 260620), (314, 217460), (332, 205670), (415, 164536), (524, 130310), (628, 108730), (655, 104248), (664, 102835), (785, 86984), (830, 82268), (1048, 65155), (1256, 54365), (1310, 52124), (1570, 43492), (1660, 41134), (2620, 26062), (3140, 21746), (3320, 20567), (5240, 13031), (6280, 10873)]