20588750

素因数分解:

$2^1\times 5^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{181}}^1$

素因数の和:223

約数の個数: 80

約数和(自身を含む): 47759712

約数和(自身を除く): 27170962

約数列:

[1, 2, 5, 7, 10, 13, 14, 25, 26, 35, 50, 65, 70, 91, 125, 130, 175, 181, 182, 250, 325, 350, 362, 455, 625, 650, 875, 905, 910, 1250, 1267, 1625, 1750, 1810, 2275, 2353, 2534, 3250, 4375, 4525, 4550, 4706, 6335, 8125, 8750, 9050, 11375, 11765, 12670, 16250, 16471, 22625, 22750, 23530, 31675, 32942, 45250, 56875, 58825, 63350, 82355, 113125, 113750, 117650, 158375, 164710, 226250, 294125, 316750, 411775, 588250, 791875, 823550, 1470625, 1583750, 2058875, 2941250, 4117750, 10294375, 20588750]

約数ペア:

[(1, 20588750), (2, 10294375), (5, 4117750), (7, 2941250), (10, 2058875), (13, 1583750), (14, 1470625), (25, 823550), (26, 791875), (35, 588250), (50, 411775), (65, 316750), (70, 294125), (91, 226250), (125, 164710), (130, 158375), (175, 117650), (181, 113750), (182, 113125), (250, 82355), (325, 63350), (350, 58825), (362, 56875), (455, 45250), (625, 32942), (650, 31675), (875, 23530), (905, 22750), (910, 22625), (1250, 16471), (1267, 16250), (1625, 12670), (1750, 11765), (1810, 11375), (2275, 9050), (2353, 8750), (2534, 8125), (3250, 6335), (4375, 4706), (4525, 4550)]