88403960

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{293}}^1\times {\mathrm{397}}^1$

素因数の和:720

約数の個数: 64

約数和(自身を含む): 210621600

約数和(自身を除く): 122217640

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 190, 293, 380, 397, 586, 760, 794, 1172, 1465, 1588, 1985, 2344, 2930, 3176, 3970, 5567, 5860, 7543, 7940, 11134, 11720, 15086, 15880, 22268, 27835, 30172, 37715, 44536, 55670, 60344, 75430, 111340, 116321, 150860, 222680, 232642, 301720, 465284, 581605, 930568, 1163210, 2210099, 2326420, 4420198, 4652840, 8840396, 11050495, 17680792, 22100990, 44201980, 88403960]

約数ペア:

[(1, 88403960), (2, 44201980), (4, 22100990), (5, 17680792), (8, 11050495), (10, 8840396), (19, 4652840), (20, 4420198), (38, 2326420), (40, 2210099), (76, 1163210), (95, 930568), (152, 581605), (190, 465284), (293, 301720), (380, 232642), (397, 222680), (586, 150860), (760, 116321), (794, 111340), (1172, 75430), (1465, 60344), (1588, 55670), (1985, 44536), (2344, 37715), (2930, 30172), (3176, 27835), (3970, 22268), (5567, 15880), (5860, 15086), (7543, 11720), (7940, 11134)]