8180250

素因数分解:

$2^1\times 3^1\times 5^3\times {\mathrm{13}}^1\times {\mathrm{839}}^1$

素因数の和:872

約数の個数: 64

約数和(自身を含む): 22014720

約数和(自身を除く): 13834470

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 25, 26, 30, 39, 50, 65, 75, 78, 125, 130, 150, 195, 250, 325, 375, 390, 650, 750, 839, 975, 1625, 1678, 1950, 2517, 3250, 4195, 4875, 5034, 8390, 9750, 10907, 12585, 20975, 21814, 25170, 32721, 41950, 54535, 62925, 65442, 104875, 109070, 125850, 163605, 209750, 272675, 314625, 327210, 545350, 629250, 818025, 1363375, 1636050, 2726750, 4090125, 8180250]

約数ペア:

[(1, 8180250), (2, 4090125), (3, 2726750), (5, 1636050), (6, 1363375), (10, 818025), (13, 629250), (15, 545350), (25, 327210), (26, 314625), (30, 272675), (39, 209750), (50, 163605), (65, 125850), (75, 109070), (78, 104875), (125, 65442), (130, 62925), (150, 54535), (195, 41950), (250, 32721), (325, 25170), (375, 21814), (390, 20975), (650, 12585), (750, 10907), (839, 9750), (975, 8390), (1625, 5034), (1678, 4875), (1950, 4195), (2517, 3250)]