2019680

素因数分解:

$2^5\times 5^1\times {\mathrm{13}}^1\times {\mathrm{971}}^1$

素因数の和:999

約数の個数: 48

約数和(自身を含む): 5143824

約数和(自身を除く): 3124144

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 65, 80, 104, 130, 160, 208, 260, 416, 520, 971, 1040, 1942, 2080, 3884, 4855, 7768, 9710, 12623, 15536, 19420, 25246, 31072, 38840, 50492, 63115, 77680, 100984, 126230, 155360, 201968, 252460, 403936, 504920, 1009840, 2019680]

約数ペア:

[(1, 2019680), (2, 1009840), (4, 504920), (5, 403936), (8, 252460), (10, 201968), (13, 155360), (16, 126230), (20, 100984), (26, 77680), (32, 63115), (40, 50492), (52, 38840), (65, 31072), (80, 25246), (104, 19420), (130, 15536), (160, 12623), (208, 9710), (260, 7768), (416, 4855), (520, 3884), (971, 2080), (1040, 1942)]