1986400

素因数分解:

$2^5\times 5^2\times {\mathrm{13}}^1\times {\mathrm{191}}^1$

素因数の和:224

約数の個数: 72

約数和(自身を含む): 5249664

約数和(自身を除く): 3263264

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 25, 26, 32, 40, 50, 52, 65, 80, 100, 104, 130, 160, 191, 200, 208, 260, 325, 382, 400, 416, 520, 650, 764, 800, 955, 1040, 1300, 1528, 1910, 2080, 2483, 2600, 3056, 3820, 4775, 4966, 5200, 6112, 7640, 9550, 9932, 10400, 12415, 15280, 19100, 19864, 24830, 30560, 38200, 39728, 49660, 62075, 76400, 79456, 99320, 124150, 152800, 198640, 248300, 397280, 496600, 993200, 1986400]

約数ペア:

[(1, 1986400), (2, 993200), (4, 496600), (5, 397280), (8, 248300), (10, 198640), (13, 152800), (16, 124150), (20, 99320), (25, 79456), (26, 76400), (32, 62075), (40, 49660), (50, 39728), (52, 38200), (65, 30560), (80, 24830), (100, 19864), (104, 19100), (130, 15280), (160, 12415), (191, 10400), (200, 9932), (208, 9550), (260, 7640), (325, 6112), (382, 5200), (400, 4966), (416, 4775), (520, 3820), (650, 3056), (764, 2600), (800, 2483), (955, 2080), (1040, 1910), (1300, 1528)]