82763180

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{131}}^1\times {\mathrm{1019}}^1$

素因数の和:1190

約数の個数: 48

約数和(自身を含む): 180956160

約数和(自身を除く): 98192980

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 131, 155, 262, 310, 524, 620, 655, 1019, 1310, 2038, 2620, 4061, 4076, 5095, 8122, 10190, 16244, 20305, 20380, 31589, 40610, 63178, 81220, 126356, 133489, 157945, 266978, 315890, 533956, 631780, 667445, 1334890, 2669780, 4138159, 8276318, 16552636, 20690795, 41381590, 82763180]

約数ペア:

[(1, 82763180), (2, 41381590), (4, 20690795), (5, 16552636), (10, 8276318), (20, 4138159), (31, 2669780), (62, 1334890), (124, 667445), (131, 631780), (155, 533956), (262, 315890), (310, 266978), (524, 157945), (620, 133489), (655, 126356), (1019, 81220), (1310, 63178), (2038, 40610), (2620, 31589), (4061, 20380), (4076, 20305), (5095, 16244), (8122, 10190)]