40398800

素因数分解:

$2^4\times 5^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{457}}^1$

素因数の和:505

約数の個数: 120

約数和(自身を含む): 110914776

約数和(自身を除く): 70515976

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 17, 20, 25, 26, 34, 40, 50, 52, 65, 68, 80, 85, 100, 104, 130, 136, 170, 200, 208, 221, 260, 272, 325, 340, 400, 425, 442, 457, 520, 650, 680, 850, 884, 914, 1040, 1105, 1300, 1360, 1700, 1768, 1828, 2210, 2285, 2600, 3400, 3536, 3656, 4420, 4570, 5200, 5525, 5941, 6800, 7312, 7769, 8840, 9140, 11050, 11425, 11882, 15538, 17680, 18280, 22100, 22850, 23764, 29705, 31076, 36560, 38845, 44200, 45700, 47528, 59410, 62152, 77690, 88400, 91400, 95056, 100997, 118820, 124304, 148525, 155380, 182800, 194225, 201994, 237640, 297050, 310760, 388450, 403988, 475280, 504985, 594100, 621520, 776900, 807976, 1009970, 1188200, 1553800, 1615952, 2019940, 2376400, 2524925, 3107600, 4039880, 5049850, 8079760, 10099700, 20199400, 40398800]

約数ペア:

[(1, 40398800), (2, 20199400), (4, 10099700), (5, 8079760), (8, 5049850), (10, 4039880), (13, 3107600), (16, 2524925), (17, 2376400), (20, 2019940), (25, 1615952), (26, 1553800), (34, 1188200), (40, 1009970), (50, 807976), (52, 776900), (65, 621520), (68, 594100), (80, 504985), (85, 475280), (100, 403988), (104, 388450), (130, 310760), (136, 297050), (170, 237640), (200, 201994), (208, 194225), (221, 182800), (260, 155380), (272, 148525), (325, 124304), (340, 118820), (400, 100997), (425, 95056), (442, 91400), (457, 88400), (520, 77690), (650, 62152), (680, 59410), (850, 47528), (884, 45700), (914, 44200), (1040, 38845), (1105, 36560), (1300, 31076), (1360, 29705), (1700, 23764), (1768, 22850), (1828, 22100), (2210, 18280), (2285, 17680), (2600, 15538), (3400, 11882), (3536, 11425), (3656, 11050), (4420, 9140), (4570, 8840), (5200, 7769), (5525, 7312), (5941, 6800)]