16503500

素因数分解:

$2^2\times 5^3\times {\mathrm{13}}^1\times {\mathrm{2539}}^1$

素因数の和:2571

約数の個数: 48

約数和(自身を含む): 38831520

約数和(自身を除く): 22328020

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 50, 52, 65, 100, 125, 130, 250, 260, 325, 500, 650, 1300, 1625, 2539, 3250, 5078, 6500, 10156, 12695, 25390, 33007, 50780, 63475, 66014, 126950, 132028, 165035, 253900, 317375, 330070, 634750, 660140, 825175, 1269500, 1650350, 3300700, 4125875, 8251750, 16503500]

約数ペア:

[(1, 16503500), (2, 8251750), (4, 4125875), (5, 3300700), (10, 1650350), (13, 1269500), (20, 825175), (25, 660140), (26, 634750), (50, 330070), (52, 317375), (65, 253900), (100, 165035), (125, 132028), (130, 126950), (250, 66014), (260, 63475), (325, 50780), (500, 33007), (650, 25390), (1300, 12695), (1625, 10156), (2539, 6500), (3250, 5078)]