16405340

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{113}}^1$

素因数の和:207

約数の個数: 96

約数和(自身を含む): 42747264

約数和(自身を除く): 26341924

約数列:

[1, 2, 4, 5, 7, 10, 14, 17, 20, 28, 34, 35, 61, 68, 70, 85, 113, 119, 122, 140, 170, 226, 238, 244, 305, 340, 427, 452, 476, 565, 595, 610, 791, 854, 1037, 1130, 1190, 1220, 1582, 1708, 1921, 2074, 2135, 2260, 2380, 3164, 3842, 3955, 4148, 4270, 5185, 6893, 7259, 7684, 7910, 8540, 9605, 10370, 13447, 13786, 14518, 15820, 19210, 20740, 26894, 27572, 29036, 34465, 36295, 38420, 48251, 53788, 67235, 68930, 72590, 96502, 117181, 134470, 137860, 145180, 193004, 234362, 241255, 268940, 468724, 482510, 585905, 820267, 965020, 1171810, 1640534, 2343620, 3281068, 4101335, 8202670, 16405340]

約数ペア:

[(1, 16405340), (2, 8202670), (4, 4101335), (5, 3281068), (7, 2343620), (10, 1640534), (14, 1171810), (17, 965020), (20, 820267), (28, 585905), (34, 482510), (35, 468724), (61, 268940), (68, 241255), (70, 234362), (85, 193004), (113, 145180), (119, 137860), (122, 134470), (140, 117181), (170, 96502), (226, 72590), (238, 68930), (244, 67235), (305, 53788), (340, 48251), (427, 38420), (452, 36295), (476, 34465), (565, 29036), (595, 27572), (610, 26894), (791, 20740), (854, 19210), (1037, 15820), (1130, 14518), (1190, 13786), (1220, 13447), (1582, 10370), (1708, 9605), (1921, 8540), (2074, 7910), (2135, 7684), (2260, 7259), (2380, 6893), (3164, 5185), (3842, 4270), (3955, 4148)]