2605850

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{211}}^1$

素因数の和:255

約数の個数: 48

約数和(自身を含む): 5520480

約数和(自身を除く): 2914630

約数列:

[1, 2, 5, 10, 13, 19, 25, 26, 38, 50, 65, 95, 130, 190, 211, 247, 325, 422, 475, 494, 650, 950, 1055, 1235, 2110, 2470, 2743, 4009, 5275, 5486, 6175, 8018, 10550, 12350, 13715, 20045, 27430, 40090, 52117, 68575, 100225, 104234, 137150, 200450, 260585, 521170, 1302925, 2605850]

約数ペア:

[(1, 2605850), (2, 1302925), (5, 521170), (10, 260585), (13, 200450), (19, 137150), (25, 104234), (26, 100225), (38, 68575), (50, 52117), (65, 40090), (95, 27430), (130, 20045), (190, 13715), (211, 12350), (247, 10550), (325, 8018), (422, 6175), (475, 5486), (494, 5275), (650, 4009), (950, 2743), (1055, 2470), (1235, 2110)]