419120

素因数分解:

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

素因数の和:70

約数の個数: 60

約数和(自身を含む): 1089216

約数和(自身を除く): 670096

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 31, 40, 52, 62, 65, 80, 104, 124, 130, 155, 169, 208, 248, 260, 310, 338, 403, 496, 520, 620, 676, 806, 845, 1040, 1240, 1352, 1612, 1690, 2015, 2480, 2704, 3224, 3380, 4030, 5239, 6448, 6760, 8060, 10478, 13520, 16120, 20956, 26195, 32240, 41912, 52390, 83824, 104780, 209560, 419120]

約数ペア:

[(1, 419120), (2, 209560), (4, 104780), (5, 83824), (8, 52390), (10, 41912), (13, 32240), (16, 26195), (20, 20956), (26, 16120), (31, 13520), (40, 10478), (52, 8060), (62, 6760), (65, 6448), (80, 5239), (104, 4030), (124, 3380), (130, 3224), (155, 2704), (169, 2480), (208, 2015), (248, 1690), (260, 1612), (310, 1352), (338, 1240), (403, 1040), (496, 845), (520, 806), (620, 676)]