84855880

素因数分解:

$2^3\times 5^1\times {\mathrm{61}}^1\times {\mathrm{83}}^1\times {\mathrm{419}}^1$

素因数の和:574

約数の個数: 64

約数和(自身を含む): 196862400

約数和(自身を除く): 112006520

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 61, 83, 122, 166, 244, 305, 332, 415, 419, 488, 610, 664, 830, 838, 1220, 1660, 1676, 2095, 2440, 3320, 3352, 4190, 5063, 8380, 10126, 16760, 20252, 25315, 25559, 34777, 40504, 50630, 51118, 69554, 101260, 102236, 127795, 139108, 173885, 202520, 204472, 255590, 278216, 347770, 511180, 695540, 1022360, 1391080, 2121397, 4242794, 8485588, 10606985, 16971176, 21213970, 42427940, 84855880]

約数ペア:

[(1, 84855880), (2, 42427940), (4, 21213970), (5, 16971176), (8, 10606985), (10, 8485588), (20, 4242794), (40, 2121397), (61, 1391080), (83, 1022360), (122, 695540), (166, 511180), (244, 347770), (305, 278216), (332, 255590), (415, 204472), (419, 202520), (488, 173885), (610, 139108), (664, 127795), (830, 102236), (838, 101260), (1220, 69554), (1660, 51118), (1676, 50630), (2095, 40504), (2440, 34777), (3320, 25559), (3352, 25315), (4190, 20252), (5063, 16760), (8380, 10126)]