63920140

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{131}}^1\times {\mathrm{787}}^1$

素因数の和:958

約数の個数: 48

約数和(自身を含む): 139797504

約数和(自身を除く): 75877364

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 131, 155, 262, 310, 524, 620, 655, 787, 1310, 1574, 2620, 3148, 3935, 4061, 7870, 8122, 15740, 16244, 20305, 24397, 40610, 48794, 81220, 97588, 103097, 121985, 206194, 243970, 412388, 487940, 515485, 1030970, 2061940, 3196007, 6392014, 12784028, 15980035, 31960070, 63920140]

約数ペア:

[(1, 63920140), (2, 31960070), (4, 15980035), (5, 12784028), (10, 6392014), (20, 3196007), (31, 2061940), (62, 1030970), (124, 515485), (131, 487940), (155, 412388), (262, 243970), (310, 206194), (524, 121985), (620, 103097), (655, 97588), (787, 81220), (1310, 48794), (1574, 40610), (2620, 24397), (3148, 20305), (3935, 16244), (4061, 15740), (7870, 8122)]