38939680

素因数分解:

$2^5\times 5^1\times {\mathrm{13}}^1\times {\mathrm{97}}^1\times {\mathrm{193}}^1$

素因数の和:318

約数の個数: 96

約数和(自身を含む): 100611504

約数和(自身を除く): 61671824

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 65, 80, 97, 104, 130, 160, 193, 194, 208, 260, 386, 388, 416, 485, 520, 772, 776, 965, 970, 1040, 1261, 1544, 1552, 1930, 1940, 2080, 2509, 2522, 3088, 3104, 3860, 3880, 5018, 5044, 6176, 6305, 7720, 7760, 10036, 10088, 12545, 12610, 15440, 15520, 18721, 20072, 20176, 25090, 25220, 30880, 37442, 40144, 40352, 50180, 50440, 74884, 80288, 93605, 100360, 100880, 149768, 187210, 200720, 201760, 243373, 299536, 374420, 401440, 486746, 599072, 748840, 973492, 1216865, 1497680, 1946984, 2433730, 2995360, 3893968, 4867460, 7787936, 9734920, 19469840, 38939680]

約数ペア:

[(1, 38939680), (2, 19469840), (4, 9734920), (5, 7787936), (8, 4867460), (10, 3893968), (13, 2995360), (16, 2433730), (20, 1946984), (26, 1497680), (32, 1216865), (40, 973492), (52, 748840), (65, 599072), (80, 486746), (97, 401440), (104, 374420), (130, 299536), (160, 243373), (193, 201760), (194, 200720), (208, 187210), (260, 149768), (386, 100880), (388, 100360), (416, 93605), (485, 80288), (520, 74884), (772, 50440), (776, 50180), (965, 40352), (970, 40144), (1040, 37442), (1261, 30880), (1544, 25220), (1552, 25090), (1930, 20176), (1940, 20072), (2080, 18721), (2509, 15520), (2522, 15440), (3088, 12610), (3104, 12545), (3860, 10088), (3880, 10036), (5018, 7760), (5044, 7720), (6176, 6305)]