38864720

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^2\times {\mathrm{41}}^2$

素因数の和:129

約数の個数: 90

約数和(自身を含む): 98386746

約数和(自身を除く): 59522026

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 41, 68, 80, 82, 85, 136, 164, 170, 205, 272, 289, 328, 340, 410, 578, 656, 680, 697, 820, 1156, 1360, 1394, 1445, 1640, 1681, 2312, 2788, 2890, 3280, 3362, 3485, 4624, 5576, 5780, 6724, 6970, 8405, 11152, 11560, 11849, 13448, 13940, 16810, 23120, 23698, 26896, 27880, 28577, 33620, 47396, 55760, 57154, 59245, 67240, 94792, 114308, 118490, 134480, 142885, 189584, 228616, 236980, 285770, 457232, 473960, 485809, 571540, 947920, 971618, 1143080, 1943236, 2286160, 2429045, 3886472, 4858090, 7772944, 9716180, 19432360, 38864720]

約数ペア:

[(1, 38864720), (2, 19432360), (4, 9716180), (5, 7772944), (8, 4858090), (10, 3886472), (16, 2429045), (17, 2286160), (20, 1943236), (34, 1143080), (40, 971618), (41, 947920), (68, 571540), (80, 485809), (82, 473960), (85, 457232), (136, 285770), (164, 236980), (170, 228616), (205, 189584), (272, 142885), (289, 134480), (328, 118490), (340, 114308), (410, 94792), (578, 67240), (656, 59245), (680, 57154), (697, 55760), (820, 47396), (1156, 33620), (1360, 28577), (1394, 27880), (1445, 26896), (1640, 23698), (1681, 23120), (2312, 16810), (2788, 13940), (2890, 13448), (3280, 11849), (3362, 11560), (3485, 11152), (4624, 8405), (5576, 6970), (5780, 6724)]