42299920

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{457}}^1$

素因数の和:572

約数の個数: 80

約数和(自身を含む): 107336880

約数和(自身を除く): 65036960

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 89, 104, 130, 178, 208, 260, 356, 445, 457, 520, 712, 890, 914, 1040, 1157, 1424, 1780, 1828, 2285, 2314, 3560, 3656, 4570, 4628, 5785, 5941, 7120, 7312, 9140, 9256, 11570, 11882, 18280, 18512, 23140, 23764, 29705, 36560, 40673, 46280, 47528, 59410, 81346, 92560, 95056, 118820, 162692, 203365, 237640, 325384, 406730, 475280, 528749, 650768, 813460, 1057498, 1626920, 2114996, 2643745, 3253840, 4229992, 5287490, 8459984, 10574980, 21149960, 42299920]

約数ペア:

[(1, 42299920), (2, 21149960), (4, 10574980), (5, 8459984), (8, 5287490), (10, 4229992), (13, 3253840), (16, 2643745), (20, 2114996), (26, 1626920), (40, 1057498), (52, 813460), (65, 650768), (80, 528749), (89, 475280), (104, 406730), (130, 325384), (178, 237640), (208, 203365), (260, 162692), (356, 118820), (445, 95056), (457, 92560), (520, 81346), (712, 59410), (890, 47528), (914, 46280), (1040, 40673), (1157, 36560), (1424, 29705), (1780, 23764), (1828, 23140), (2285, 18512), (2314, 18280), (3560, 11882), (3656, 11570), (4570, 9256), (4628, 9140), (5785, 7312), (5941, 7120)]