90623920

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{59621}}^1$

素因数の和:59653

約数の個数: 40

約数和(自身を含む): 221793840

約数和(自身を除く): 131169920

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 152, 190, 304, 380, 760, 1520, 59621, 119242, 238484, 298105, 476968, 596210, 953936, 1132799, 1192420, 2265598, 2384840, 4531196, 4769680, 5663995, 9062392, 11327990, 18124784, 22655980, 45311960, 90623920]

約数ペア:

[(1, 90623920), (2, 45311960), (4, 22655980), (5, 18124784), (8, 11327990), (10, 9062392), (16, 5663995), (19, 4769680), (20, 4531196), (38, 2384840), (40, 2265598), (76, 1192420), (80, 1132799), (95, 953936), (152, 596210), (190, 476968), (304, 298105), (380, 238484), (760, 119242), (1520, 59621)]