38884040

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{47}}^1$

素因数の和:151

約数の個数: 128

約数和(自身を含む): 101122560

約数和(自身を除く): 62238520

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 37, 40, 43, 47, 52, 65, 74, 86, 94, 104, 130, 148, 172, 185, 188, 215, 235, 260, 296, 344, 370, 376, 430, 470, 481, 520, 559, 611, 740, 860, 940, 962, 1118, 1222, 1480, 1591, 1720, 1739, 1880, 1924, 2021, 2236, 2405, 2444, 2795, 3055, 3182, 3478, 3848, 4042, 4472, 4810, 4888, 5590, 6110, 6364, 6956, 7955, 8084, 8695, 9620, 10105, 11180, 12220, 12728, 13912, 15910, 16168, 17390, 19240, 20210, 20683, 22360, 22607, 24440, 26273, 31820, 34780, 40420, 41366, 45214, 52546, 63640, 69560, 74777, 80840, 82732, 90428, 103415, 105092, 113035, 131365, 149554, 165464, 180856, 206830, 210184, 226070, 262730, 299108, 373885, 413660, 452140, 525460, 598216, 747770, 827320, 904280, 972101, 1050920, 1495540, 1944202, 2991080, 3888404, 4860505, 7776808, 9721010, 19442020, 38884040]

約数ペア:

[(1, 38884040), (2, 19442020), (4, 9721010), (5, 7776808), (8, 4860505), (10, 3888404), (13, 2991080), (20, 1944202), (26, 1495540), (37, 1050920), (40, 972101), (43, 904280), (47, 827320), (52, 747770), (65, 598216), (74, 525460), (86, 452140), (94, 413660), (104, 373885), (130, 299108), (148, 262730), (172, 226070), (185, 210184), (188, 206830), (215, 180856), (235, 165464), (260, 149554), (296, 131365), (344, 113035), (370, 105092), (376, 103415), (430, 90428), (470, 82732), (481, 80840), (520, 74777), (559, 69560), (611, 63640), (740, 52546), (860, 45214), (940, 41366), (962, 40420), (1118, 34780), (1222, 31820), (1480, 26273), (1591, 24440), (1720, 22607), (1739, 22360), (1880, 20683), (1924, 20210), (2021, 19240), (2236, 17390), (2405, 16168), (2444, 15910), (2795, 13912), (3055, 12728), (3182, 12220), (3478, 11180), (3848, 10105), (4042, 9620), (4472, 8695), (4810, 8084), (4888, 7955), (5590, 6956), (6110, 6364)]