8041639940

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{397}}^1\times {\mathrm{883}}^1$

素因数の和:1357

約数の個数: 96

約数和(自身を含む): 17968763904

約数和(自身を除く): 9927123964

約数列:

[1, 2, 4, 5, 10, 20, 31, 37, 62, 74, 124, 148, 155, 185, 310, 370, 397, 620, 740, 794, 883, 1147, 1588, 1766, 1985, 2294, 3532, 3970, 4415, 4588, 5735, 7940, 8830, 11470, 12307, 14689, 17660, 22940, 24614, 27373, 29378, 32671, 49228, 54746, 58756, 61535, 65342, 73445, 109492, 123070, 130684, 136865, 146890, 163355, 246140, 273730, 293780, 326710, 350551, 455359, 547460, 653420, 701102, 910718, 1012801, 1402204, 1752755, 1821436, 2025602, 2276795, 3505510, 4051204, 4553590, 5064005, 7011020, 9107180, 10128010, 10867081, 12970387, 20256020, 21734162, 25940774, 43468324, 51881548, 54335405, 64851935, 108670810, 129703870, 217341620, 259407740, 402081997, 804163994, 1608327988, 2010409985, 4020819970, 8041639940]

約数ペア:

[(1, 8041639940), (2, 4020819970), (4, 2010409985), (5, 1608327988), (10, 804163994), (20, 402081997), (31, 259407740), (37, 217341620), (62, 129703870), (74, 108670810), (124, 64851935), (148, 54335405), (155, 51881548), (185, 43468324), (310, 25940774), (370, 21734162), (397, 20256020), (620, 12970387), (740, 10867081), (794, 10128010), (883, 9107180), (1147, 7011020), (1588, 5064005), (1766, 4553590), (1985, 4051204), (2294, 3505510), (3532, 2276795), (3970, 2025602), (4415, 1821436), (4588, 1752755), (5735, 1402204), (7940, 1012801), (8830, 910718), (11470, 701102), (12307, 653420), (14689, 547460), (17660, 455359), (22940, 350551), (24614, 326710), (27373, 293780), (29378, 273730), (32671, 246140), (49228, 163355), (54746, 146890), (58756, 136865), (61535, 130684), (65342, 123070), (73445, 109492)]