8213000

素因数分解:

$2^3\times 5^3\times {\mathrm{43}}^1\times {\mathrm{191}}^1$

素因数の和:255

約数の個数: 64

約数和(自身を含む): 19768320

約数和(自身を除く): 11555320

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 43, 50, 86, 100, 125, 172, 191, 200, 215, 250, 344, 382, 430, 500, 764, 860, 955, 1000, 1075, 1528, 1720, 1910, 2150, 3820, 4300, 4775, 5375, 7640, 8213, 8600, 9550, 10750, 16426, 19100, 21500, 23875, 32852, 38200, 41065, 43000, 47750, 65704, 82130, 95500, 164260, 191000, 205325, 328520, 410650, 821300, 1026625, 1642600, 2053250, 4106500, 8213000]

約数ペア:

[(1, 8213000), (2, 4106500), (4, 2053250), (5, 1642600), (8, 1026625), (10, 821300), (20, 410650), (25, 328520), (40, 205325), (43, 191000), (50, 164260), (86, 95500), (100, 82130), (125, 65704), (172, 47750), (191, 43000), (200, 41065), (215, 38200), (250, 32852), (344, 23875), (382, 21500), (430, 19100), (500, 16426), (764, 10750), (860, 9550), (955, 8600), (1000, 8213), (1075, 7640), (1528, 5375), (1720, 4775), (1910, 4300), (2150, 3820)]