2497380520

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{80147}}^1$

素因数の和:80218

約数の個数: 64

約数和(自身を含む): 6059188800

約数和(自身を除く): 3561808280

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 41, 76, 82, 95, 152, 164, 190, 205, 328, 380, 410, 760, 779, 820, 1558, 1640, 3116, 3895, 6232, 7790, 15580, 31160, 80147, 160294, 320588, 400735, 641176, 801470, 1522793, 1602940, 3045586, 3205880, 3286027, 6091172, 6572054, 7613965, 12182344, 13144108, 15227930, 16430135, 26288216, 30455860, 32860270, 60911720, 62434513, 65720540, 124869026, 131441080, 249738052, 312172565, 499476104, 624345130, 1248690260, 2497380520]

約数ペア:

[(1, 2497380520), (2, 1248690260), (4, 624345130), (5, 499476104), (8, 312172565), (10, 249738052), (19, 131441080), (20, 124869026), (38, 65720540), (40, 62434513), (41, 60911720), (76, 32860270), (82, 30455860), (95, 26288216), (152, 16430135), (164, 15227930), (190, 13144108), (205, 12182344), (328, 7613965), (380, 6572054), (410, 6091172), (760, 3286027), (779, 3205880), (820, 3045586), (1558, 1602940), (1640, 1522793), (3116, 801470), (3895, 641176), (6232, 400735), (7790, 320588), (15580, 160294), (31160, 80147)]