40049880

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{25673}}^1$

素因数の和:25700

約数の個数: 64

約数和(自身を含む): 129396960

約数和(自身を除く): 89347080

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 26, 30, 39, 40, 52, 60, 65, 78, 104, 120, 130, 156, 195, 260, 312, 390, 520, 780, 1560, 25673, 51346, 77019, 102692, 128365, 154038, 205384, 256730, 308076, 333749, 385095, 513460, 616152, 667498, 770190, 1001247, 1026920, 1334996, 1540380, 1668745, 2002494, 2669992, 3080760, 3337490, 4004988, 5006235, 6674980, 8009976, 10012470, 13349960, 20024940, 40049880]

約数ペア:

[(1, 40049880), (2, 20024940), (3, 13349960), (4, 10012470), (5, 8009976), (6, 6674980), (8, 5006235), (10, 4004988), (12, 3337490), (13, 3080760), (15, 2669992), (20, 2002494), (24, 1668745), (26, 1540380), (30, 1334996), (39, 1026920), (40, 1001247), (52, 770190), (60, 667498), (65, 616152), (78, 513460), (104, 385095), (120, 333749), (130, 308076), (156, 256730), (195, 205384), (260, 154038), (312, 128365), (390, 102692), (520, 77019), (780, 51346), (1560, 25673)]