39962320

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{431}}^1$

素因数の和:524

約数の個数: 80

約数和(自身を含む): 99636480

約数和(自身を除く): 59674160

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 61, 76, 80, 95, 122, 152, 190, 244, 304, 305, 380, 431, 488, 610, 760, 862, 976, 1159, 1220, 1520, 1724, 2155, 2318, 2440, 3448, 4310, 4636, 4880, 5795, 6896, 8189, 8620, 9272, 11590, 16378, 17240, 18544, 23180, 26291, 32756, 34480, 40945, 46360, 52582, 65512, 81890, 92720, 105164, 131024, 131455, 163780, 210328, 262910, 327560, 420656, 499529, 525820, 655120, 999058, 1051640, 1998116, 2103280, 2497645, 3996232, 4995290, 7992464, 9990580, 19981160, 39962320]

約数ペア:

[(1, 39962320), (2, 19981160), (4, 9990580), (5, 7992464), (8, 4995290), (10, 3996232), (16, 2497645), (19, 2103280), (20, 1998116), (38, 1051640), (40, 999058), (61, 655120), (76, 525820), (80, 499529), (95, 420656), (122, 327560), (152, 262910), (190, 210328), (244, 163780), (304, 131455), (305, 131024), (380, 105164), (431, 92720), (488, 81890), (610, 65512), (760, 52582), (862, 46360), (976, 40945), (1159, 34480), (1220, 32756), (1520, 26291), (1724, 23180), (2155, 18544), (2318, 17240), (2440, 16378), (3448, 11590), (4310, 9272), (4636, 8620), (4880, 8189), (5795, 6896)]