38810720

素因数分解:

$2^5\times 5^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{397}}^1$

素因数の和:472

約数の個数: 96

約数和(自身を含む): 101098368

約数和(自身を除く): 62287648

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 47, 52, 65, 80, 94, 104, 130, 160, 188, 208, 235, 260, 376, 397, 416, 470, 520, 611, 752, 794, 940, 1040, 1222, 1504, 1588, 1880, 1985, 2080, 2444, 3055, 3176, 3760, 3970, 4888, 5161, 6110, 6352, 7520, 7940, 9776, 10322, 12220, 12704, 15880, 18659, 19552, 20644, 24440, 25805, 31760, 37318, 41288, 48880, 51610, 63520, 74636, 82576, 93295, 97760, 103220, 149272, 165152, 186590, 206440, 242567, 298544, 373180, 412880, 485134, 597088, 746360, 825760, 970268, 1212835, 1492720, 1940536, 2425670, 2985440, 3881072, 4851340, 7762144, 9702680, 19405360, 38810720]

約数ペア:

[(1, 38810720), (2, 19405360), (4, 9702680), (5, 7762144), (8, 4851340), (10, 3881072), (13, 2985440), (16, 2425670), (20, 1940536), (26, 1492720), (32, 1212835), (40, 970268), (47, 825760), (52, 746360), (65, 597088), (80, 485134), (94, 412880), (104, 373180), (130, 298544), (160, 242567), (188, 206440), (208, 186590), (235, 165152), (260, 149272), (376, 103220), (397, 97760), (416, 93295), (470, 82576), (520, 74636), (611, 63520), (752, 51610), (794, 48880), (940, 41288), (1040, 37318), (1222, 31760), (1504, 25805), (1588, 24440), (1880, 20644), (1985, 19552), (2080, 18659), (2444, 15880), (3055, 12704), (3176, 12220), (3760, 10322), (3970, 9776), (4888, 7940), (5161, 7520), (6110, 6352)]