24952980

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31991}}^1$

素因数の和:32016

約数の個数: 48

約数和(自身を含む): 75245184

約数和(自身を除く): 50292204

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 156, 195, 260, 390, 780, 31991, 63982, 95973, 127964, 159955, 191946, 319910, 383892, 415883, 479865, 639820, 831766, 959730, 1247649, 1663532, 1919460, 2079415, 2495298, 4158830, 4990596, 6238245, 8317660, 12476490, 24952980]

約数ペア:

[(1, 24952980), (2, 12476490), (3, 8317660), (4, 6238245), (5, 4990596), (6, 4158830), (10, 2495298), (12, 2079415), (13, 1919460), (15, 1663532), (20, 1247649), (26, 959730), (30, 831766), (39, 639820), (52, 479865), (60, 415883), (65, 383892), (78, 319910), (130, 191946), (156, 159955), (195, 127964), (260, 95973), (390, 63982), (780, 31991)]