28841860

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{2069}}^1$

素因数の和:2136

約数の個数: 48

約数和(自身を含む): 65726640

約数和(自身を除く): 36884780

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 41, 68, 82, 85, 164, 170, 205, 340, 410, 697, 820, 1394, 2069, 2788, 3485, 4138, 6970, 8276, 10345, 13940, 20690, 35173, 41380, 70346, 84829, 140692, 169658, 175865, 339316, 351730, 424145, 703460, 848290, 1442093, 1696580, 2884186, 5768372, 7210465, 14420930, 28841860]

約数ペア:

[(1, 28841860), (2, 14420930), (4, 7210465), (5, 5768372), (10, 2884186), (17, 1696580), (20, 1442093), (34, 848290), (41, 703460), (68, 424145), (82, 351730), (85, 339316), (164, 175865), (170, 169658), (205, 140692), (340, 84829), (410, 70346), (697, 41380), (820, 35173), (1394, 20690), (2069, 13940), (2788, 10345), (3485, 8276), (4138, 6970)]