128899691050

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{6397007}}^1$

素因数の和:6397063

約数の個数: 48

約数和(自身を含む): 266524941312

約数和(自身を除く): 137625250262

約数列:

[1, 2, 5, 10, 13, 25, 26, 31, 50, 62, 65, 130, 155, 310, 325, 403, 650, 775, 806, 1550, 2015, 4030, 10075, 20150, 6397007, 12794014, 31985035, 63970070, 83161091, 159925175, 166322182, 198307217, 319850350, 396614434, 415805455, 831610910, 991536085, 1983072170, 2079027275, 2577993821, 4158054550, 4957680425, 5155987642, 9915360850, 12889969105, 25779938210, 64449845525, 128899691050]

約数ペア:

[(1, 128899691050), (2, 64449845525), (5, 25779938210), (10, 12889969105), (13, 9915360850), (25, 5155987642), (26, 4957680425), (31, 4158054550), (50, 2577993821), (62, 2079027275), (65, 1983072170), (130, 991536085), (155, 831610910), (310, 415805455), (325, 396614434), (403, 319850350), (650, 198307217), (775, 166322182), (806, 159925175), (1550, 83161091), (2015, 63970070), (4030, 31985035), (10075, 12794014), (20150, 6397007)]