80262640

素因数分解:

$2^4\times 5^1\times {\mathrm{23}}^1\times {\mathrm{181}}^1\times {\mathrm{241}}^1$

素因数の和:458

約数の個数: 80

約数和(自身を含む): 196612416

約数和(自身を除く): 116349776

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 40, 46, 80, 92, 115, 181, 184, 230, 241, 362, 368, 460, 482, 724, 905, 920, 964, 1205, 1448, 1810, 1840, 1928, 2410, 2896, 3620, 3856, 4163, 4820, 5543, 7240, 8326, 9640, 11086, 14480, 16652, 19280, 20815, 22172, 27715, 33304, 41630, 43621, 44344, 55430, 66608, 83260, 87242, 88688, 110860, 166520, 174484, 218105, 221720, 333040, 348968, 436210, 443440, 697936, 872420, 1003283, 1744840, 2006566, 3489680, 4013132, 5016415, 8026264, 10032830, 16052528, 20065660, 40131320, 80262640]

約数ペア:

[(1, 80262640), (2, 40131320), (4, 20065660), (5, 16052528), (8, 10032830), (10, 8026264), (16, 5016415), (20, 4013132), (23, 3489680), (40, 2006566), (46, 1744840), (80, 1003283), (92, 872420), (115, 697936), (181, 443440), (184, 436210), (230, 348968), (241, 333040), (362, 221720), (368, 218105), (460, 174484), (482, 166520), (724, 110860), (905, 88688), (920, 87242), (964, 83260), (1205, 66608), (1448, 55430), (1810, 44344), (1840, 43621), (1928, 41630), (2410, 33304), (2896, 27715), (3620, 22172), (3856, 20815), (4163, 19280), (4820, 16652), (5543, 14480), (7240, 11086), (8326, 9640)]