80415950

素因数分解:

$2^1\times 5^2\times {\mathrm{17}}^1\times {\mathrm{89}}^1\times {\mathrm{1063}}^1$

素因数の和:1181

約数の個数: 48

約数和(自身を含む): 160302240

約数和(自身を除く): 79886290

約数列:

[1, 2, 5, 10, 17, 25, 34, 50, 85, 89, 170, 178, 425, 445, 850, 890, 1063, 1513, 2126, 2225, 3026, 4450, 5315, 7565, 10630, 15130, 18071, 26575, 36142, 37825, 53150, 75650, 90355, 94607, 180710, 189214, 451775, 473035, 903550, 946070, 1608319, 2365175, 3216638, 4730350, 8041595, 16083190, 40207975, 80415950]

約数ペア:

[(1, 80415950), (2, 40207975), (5, 16083190), (10, 8041595), (17, 4730350), (25, 3216638), (34, 2365175), (50, 1608319), (85, 946070), (89, 903550), (170, 473035), (178, 451775), (425, 189214), (445, 180710), (850, 94607), (890, 90355), (1063, 75650), (1513, 53150), (2126, 37825), (2225, 36142), (3026, 26575), (4450, 18071), (5315, 15130), (7565, 10630)]