3972280

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{7639}}^1$

素因数の和:7663

約数の個数: 32

約数和(自身を含む): 9626400

約数和(自身を除く): 5654120

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 7639, 15278, 30556, 38195, 61112, 76390, 99307, 152780, 198614, 305560, 397228, 496535, 794456, 993070, 1986140, 3972280]

約数ペア:

[(1, 3972280), (2, 1986140), (4, 993070), (5, 794456), (8, 496535), (10, 397228), (13, 305560), (20, 198614), (26, 152780), (40, 99307), (52, 76390), (65, 61112), (104, 38195), (130, 30556), (260, 15278), (520, 7639)]