78496340

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{9739}}^1$

素因数の和:9792

約数の個数: 48

約数和(自身を含む): 183267840

約数和(自身を除く): 104771500

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 31, 52, 62, 65, 124, 130, 155, 260, 310, 403, 620, 806, 1612, 2015, 4030, 8060, 9739, 19478, 38956, 48695, 97390, 126607, 194780, 253214, 301909, 506428, 603818, 633035, 1207636, 1266070, 1509545, 2532140, 3019090, 3924817, 6038180, 7849634, 15699268, 19624085, 39248170, 78496340]

約数ペア:

[(1, 78496340), (2, 39248170), (4, 19624085), (5, 15699268), (10, 7849634), (13, 6038180), (20, 3924817), (26, 3019090), (31, 2532140), (52, 1509545), (62, 1266070), (65, 1207636), (124, 633035), (130, 603818), (155, 506428), (260, 301909), (310, 253214), (403, 194780), (620, 126607), (806, 97390), (1612, 48695), (2015, 38956), (4030, 19478), (8060, 9739)]