419345680

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{13007}}^1$

素因数の和:13064

約数の個数: 80

約数和(自身を含む): 1083930624

約数和(自身を除く): 664584944

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, 2480, 3224, 4030, 6448, 8060, 13007, 16120, 26014, 32240, 52028, 65035, 104056, 130070, 169091, 208112, 260140, 338182, 403217, 520280, 676364, 806434, 845455, 1040560, 1352728, 1612868, 1690910, 2016085, 2705456, 3225736, 3381820, 4032170, 5241821, 6451472, 6763640, 8064340, 10483642, 13527280, 16128680, 20967284, 26209105, 32257360, 41934568, 52418210, 83869136, 104836420, 209672840, 419345680]

約数ペア:

[(1, 419345680), (2, 209672840), (4, 104836420), (5, 83869136), (8, 52418210), (10, 41934568), (13, 32257360), (16, 26209105), (20, 20967284), (26, 16128680), (31, 13527280), (40, 10483642), (52, 8064340), (62, 6763640), (65, 6451472), (80, 5241821), (104, 4032170), (124, 3381820), (130, 3225736), (155, 2705456), (208, 2016085), (248, 1690910), (260, 1612868), (310, 1352728), (403, 1040560), (496, 845455), (520, 806434), (620, 676364), (806, 520280), (1040, 403217), (1240, 338182), (1612, 260140), (2015, 208112), (2480, 169091), (3224, 130070), (4030, 104056), (6448, 65035), (8060, 52028), (13007, 32240), (16120, 26014)]