42975140

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{2467}}^1$

素因数の和:2556

約数の個数: 48

約数和(自身を含む): 98680512

約数和(自身を除く): 55705372

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 67, 130, 134, 260, 268, 335, 670, 871, 1340, 1742, 2467, 3484, 4355, 4934, 8710, 9868, 12335, 17420, 24670, 32071, 49340, 64142, 128284, 160355, 165289, 320710, 330578, 641420, 661156, 826445, 1652890, 2148757, 3305780, 4297514, 8595028, 10743785, 21487570, 42975140]

約数ペア:

[(1, 42975140), (2, 21487570), (4, 10743785), (5, 8595028), (10, 4297514), (13, 3305780), (20, 2148757), (26, 1652890), (52, 826445), (65, 661156), (67, 641420), (130, 330578), (134, 320710), (260, 165289), (268, 160355), (335, 128284), (670, 64142), (871, 49340), (1340, 32071), (1742, 24670), (2467, 17420), (3484, 12335), (4355, 9868), (4934, 8710)]