23702920

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{97}}^1\times {\mathrm{149}}^1$

素因数の和:298

約数の個数: 64

約数和(自身を含む): 55566000

約数和(自身を除く): 31863080

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 82, 97, 149, 164, 194, 205, 298, 328, 388, 410, 485, 596, 745, 776, 820, 970, 1192, 1490, 1640, 1940, 2980, 3880, 3977, 5960, 6109, 7954, 12218, 14453, 15908, 19885, 24436, 28906, 30545, 31816, 39770, 48872, 57812, 61090, 72265, 79540, 115624, 122180, 144530, 159080, 244360, 289060, 578120, 592573, 1185146, 2370292, 2962865, 4740584, 5925730, 11851460, 23702920]

約数ペア:

[(1, 23702920), (2, 11851460), (4, 5925730), (5, 4740584), (8, 2962865), (10, 2370292), (20, 1185146), (40, 592573), (41, 578120), (82, 289060), (97, 244360), (149, 159080), (164, 144530), (194, 122180), (205, 115624), (298, 79540), (328, 72265), (388, 61090), (410, 57812), (485, 48872), (596, 39770), (745, 31816), (776, 30545), (820, 28906), (970, 24436), (1192, 19885), (1490, 15908), (1640, 14453), (1940, 12218), (2980, 7954), (3880, 6109), (3977, 5960)]