40131320

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{181}}^1\times {\mathrm{241}}^1$

素因数の和:456

約数の個数: 64

約数和(自身を含む): 95135040

約数和(自身を除く): 55003720

約数列:

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

約数ペア:

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