25382500

素因数分解:

$2^2\times 5^4\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1$

素因数の和:119

約数の個数: 120

約数和(自身を含む): 66128832

約数和(自身を除く): 40746332

約数列:

[1, 2, 4, 5, 10, 11, 13, 20, 22, 25, 26, 44, 50, 52, 55, 65, 71, 100, 110, 125, 130, 142, 143, 220, 250, 260, 275, 284, 286, 325, 355, 500, 550, 572, 625, 650, 710, 715, 781, 923, 1100, 1250, 1300, 1375, 1420, 1430, 1562, 1625, 1775, 1846, 2500, 2750, 2860, 3124, 3250, 3550, 3575, 3692, 3905, 4615, 5500, 6500, 6875, 7100, 7150, 7810, 8125, 8875, 9230, 10153, 13750, 14300, 15620, 16250, 17750, 17875, 18460, 19525, 20306, 23075, 27500, 32500, 35500, 35750, 39050, 40612, 44375, 46150, 50765, 71500, 78100, 88750, 89375, 92300, 97625, 101530, 115375, 177500, 178750, 195250, 203060, 230750, 253825, 357500, 390500, 461500, 488125, 507650, 576875, 976250, 1015300, 1153750, 1269125, 1952500, 2307500, 2538250, 5076500, 6345625, 12691250, 25382500]

約数ペア:

[(1, 25382500), (2, 12691250), (4, 6345625), (5, 5076500), (10, 2538250), (11, 2307500), (13, 1952500), (20, 1269125), (22, 1153750), (25, 1015300), (26, 976250), (44, 576875), (50, 507650), (52, 488125), (55, 461500), (65, 390500), (71, 357500), (100, 253825), (110, 230750), (125, 203060), (130, 195250), (142, 178750), (143, 177500), (220, 115375), (250, 101530), (260, 97625), (275, 92300), (284, 89375), (286, 88750), (325, 78100), (355, 71500), (500, 50765), (550, 46150), (572, 44375), (625, 40612), (650, 39050), (710, 35750), (715, 35500), (781, 32500), (923, 27500), (1100, 23075), (1250, 20306), (1300, 19525), (1375, 18460), (1420, 17875), (1430, 17750), (1562, 16250), (1625, 15620), (1775, 14300), (1846, 13750), (2500, 10153), (2750, 9230), (2860, 8875), (3124, 8125), (3250, 7810), (3550, 7150), (3575, 7100), (3692, 6875), (3905, 6500), (4615, 5500)]