64723040

素因数分解:

$2^5\times 5^1\times {\mathrm{31}}^1\times {\mathrm{13049}}^1$

素因数の和:13095

約数の個数: 48

約数和(自身を含む): 157852800

約数和(自身を除く): 93129760

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 80, 124, 155, 160, 248, 310, 496, 620, 992, 1240, 2480, 4960, 13049, 26098, 52196, 65245, 104392, 130490, 208784, 260980, 404519, 417568, 521960, 809038, 1043920, 1618076, 2022595, 2087840, 3236152, 4045190, 6472304, 8090380, 12944608, 16180760, 32361520, 64723040]

約数ペア:

[(1, 64723040), (2, 32361520), (4, 16180760), (5, 12944608), (8, 8090380), (10, 6472304), (16, 4045190), (20, 3236152), (31, 2087840), (32, 2022595), (40, 1618076), (62, 1043920), (80, 809038), (124, 521960), (155, 417568), (160, 404519), (248, 260980), (310, 208784), (496, 130490), (620, 104392), (992, 65245), (1240, 52196), (2480, 26098), (4960, 13049)]