21962783240

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{704839}}^1$

素因数の和:704910

約数の個数: 64

約数和(自身を含む): 53285904000

約数和(自身を除く): 31323120760

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 41, 76, 82, 95, 152, 164, 190, 205, 328, 380, 410, 760, 779, 820, 1558, 1640, 3116, 3895, 6232, 7790, 15580, 31160, 704839, 1409678, 2819356, 3524195, 5638712, 7048390, 13391941, 14096780, 26783882, 28193560, 28898399, 53567764, 57796798, 66959705, 107135528, 115593596, 133919410, 144491995, 231187192, 267838820, 288983990, 535677640, 549069581, 577967980, 1098139162, 1155935960, 2196278324, 2745347905, 4392556648, 5490695810, 10981391620, 21962783240]

約数ペア:

[(1, 21962783240), (2, 10981391620), (4, 5490695810), (5, 4392556648), (8, 2745347905), (10, 2196278324), (19, 1155935960), (20, 1098139162), (38, 577967980), (40, 549069581), (41, 535677640), (76, 288983990), (82, 267838820), (95, 231187192), (152, 144491995), (164, 133919410), (190, 115593596), (205, 107135528), (328, 66959705), (380, 57796798), (410, 53567764), (760, 28898399), (779, 28193560), (820, 26783882), (1558, 14096780), (1640, 13391941), (3116, 7048390), (3895, 5638712), (6232, 3524195), (7790, 2819356), (15580, 1409678), (31160, 704839)]