79858480

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{2477}}^1$

素因数の和:2534

約数の個数: 80

約数和(自身を含む): 206486784

約数和(自身を除く): 126628304

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 31, 40, 52, 62, 65, 80, 104, 124, 130, 155, 208, 248, 260, 310, 403, 496, 520, 620, 806, 1040, 1240, 1612, 2015, 2477, 2480, 3224, 4030, 4954, 6448, 8060, 9908, 12385, 16120, 19816, 24770, 32201, 32240, 39632, 49540, 64402, 76787, 99080, 128804, 153574, 161005, 198160, 257608, 307148, 322010, 383935, 515216, 614296, 644020, 767870, 998231, 1228592, 1288040, 1535740, 1996462, 2576080, 3071480, 3992924, 4991155, 6142960, 7985848, 9982310, 15971696, 19964620, 39929240, 79858480]

約数ペア:

[(1, 79858480), (2, 39929240), (4, 19964620), (5, 15971696), (8, 9982310), (10, 7985848), (13, 6142960), (16, 4991155), (20, 3992924), (26, 3071480), (31, 2576080), (40, 1996462), (52, 1535740), (62, 1288040), (65, 1228592), (80, 998231), (104, 767870), (124, 644020), (130, 614296), (155, 515216), (208, 383935), (248, 322010), (260, 307148), (310, 257608), (403, 198160), (496, 161005), (520, 153574), (620, 128804), (806, 99080), (1040, 76787), (1240, 64402), (1612, 49540), (2015, 39632), (2477, 32240), (2480, 32201), (3224, 24770), (4030, 19816), (4954, 16120), (6448, 12385), (8060, 9908)]