54090040

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{181}}^1\times {\mathrm{241}}^1$

素因数の和:464

約数の個数: 64

約数和(自身を含む): 126846720

約数和(自身を除く): 72756680

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 181, 241, 248, 310, 362, 482, 620, 724, 905, 964, 1205, 1240, 1448, 1810, 1928, 2410, 3620, 4820, 5611, 7240, 7471, 9640, 11222, 14942, 22444, 28055, 29884, 37355, 43621, 44888, 56110, 59768, 74710, 87242, 112220, 149420, 174484, 218105, 224440, 298840, 348968, 436210, 872420, 1352251, 1744840, 2704502, 5409004, 6761255, 10818008, 13522510, 27045020, 54090040]

約数ペア:

[(1, 54090040), (2, 27045020), (4, 13522510), (5, 10818008), (8, 6761255), (10, 5409004), (20, 2704502), (31, 1744840), (40, 1352251), (62, 872420), (124, 436210), (155, 348968), (181, 298840), (241, 224440), (248, 218105), (310, 174484), (362, 149420), (482, 112220), (620, 87242), (724, 74710), (905, 59768), (964, 56110), (1205, 44888), (1240, 43621), (1448, 37355), (1810, 29884), (1928, 28055), (2410, 22444), (3620, 14942), (4820, 11222), (5611, 9640), (7240, 7471)]