2463920

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{1621}}^1$

素因数の和:1653

約数の個数: 40

約数和(自身を含む): 6033840

約数和(自身を除く): 3569920

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 152, 190, 304, 380, 760, 1520, 1621, 3242, 6484, 8105, 12968, 16210, 25936, 30799, 32420, 61598, 64840, 123196, 129680, 153995, 246392, 307990, 492784, 615980, 1231960, 2463920]

約数ペア:

[(1, 2463920), (2, 1231960), (4, 615980), (5, 492784), (8, 307990), (10, 246392), (16, 153995), (19, 129680), (20, 123196), (38, 64840), (40, 61598), (76, 32420), (80, 30799), (95, 25936), (152, 16210), (190, 12968), (304, 8105), (380, 6484), (760, 3242), (1520, 1621)]