24992890

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{263}}^1$

素因数の和:343

約数の個数: 64

約数和(自身を含む): 52690176

約数和(自身を除く): 27697286

約数列:

[1, 2, 5, 10, 13, 17, 26, 34, 43, 65, 85, 86, 130, 170, 215, 221, 263, 430, 442, 526, 559, 731, 1105, 1118, 1315, 1462, 2210, 2630, 2795, 3419, 3655, 4471, 5590, 6838, 7310, 8942, 9503, 11309, 17095, 19006, 22355, 22618, 34190, 44710, 47515, 56545, 58123, 95030, 113090, 116246, 147017, 192253, 290615, 294034, 384506, 581230, 735085, 961265, 1470170, 1922530, 2499289, 4998578, 12496445, 24992890]

約数ペア:

[(1, 24992890), (2, 12496445), (5, 4998578), (10, 2499289), (13, 1922530), (17, 1470170), (26, 961265), (34, 735085), (43, 581230), (65, 384506), (85, 294034), (86, 290615), (130, 192253), (170, 147017), (215, 116246), (221, 113090), (263, 95030), (430, 58123), (442, 56545), (526, 47515), (559, 44710), (731, 34190), (1105, 22618), (1118, 22355), (1315, 19006), (1462, 17095), (2210, 11309), (2630, 9503), (2795, 8942), (3419, 7310), (3655, 6838), (4471, 5590)]