38315680

素因数分解:

$2^5\times 5^1\times {\mathrm{13}}^3\times {\mathrm{109}}^1$

素因数の和:163

約数の個数: 96

約数和(自身を含む): 98960400

約数和(自身を除く): 60644720

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 65, 80, 104, 109, 130, 160, 169, 208, 218, 260, 338, 416, 436, 520, 545, 676, 845, 872, 1040, 1090, 1352, 1417, 1690, 1744, 2080, 2180, 2197, 2704, 2834, 3380, 3488, 4360, 4394, 5408, 5668, 6760, 7085, 8720, 8788, 10985, 11336, 13520, 14170, 17440, 17576, 18421, 21970, 22672, 27040, 28340, 35152, 36842, 43940, 45344, 56680, 70304, 73684, 87880, 92105, 113360, 147368, 175760, 184210, 226720, 239473, 294736, 351520, 368420, 478946, 589472, 736840, 957892, 1197365, 1473680, 1915784, 2394730, 2947360, 3831568, 4789460, 7663136, 9578920, 19157840, 38315680]

約数ペア:

[(1, 38315680), (2, 19157840), (4, 9578920), (5, 7663136), (8, 4789460), (10, 3831568), (13, 2947360), (16, 2394730), (20, 1915784), (26, 1473680), (32, 1197365), (40, 957892), (52, 736840), (65, 589472), (80, 478946), (104, 368420), (109, 351520), (130, 294736), (160, 239473), (169, 226720), (208, 184210), (218, 175760), (260, 147368), (338, 113360), (416, 92105), (436, 87880), (520, 73684), (545, 70304), (676, 56680), (845, 45344), (872, 43940), (1040, 36842), (1090, 35152), (1352, 28340), (1417, 27040), (1690, 22672), (1744, 21970), (2080, 18421), (2180, 17576), (2197, 17440), (2704, 14170), (2834, 13520), (3380, 11336), (3488, 10985), (4360, 8788), (4394, 8720), (5408, 7085), (5668, 6760)]