1040804080

素因数分解:

$2^4\times 5^1\times {\mathrm{37}}^1\times {\mathrm{227}}^1\times {\mathrm{1549}}^1$

素因数の和:1826

約数の個数: 80

約数和(自身を含む): 2497831200

約数和(自身を除く): 1457027120

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 37, 40, 74, 80, 148, 185, 227, 296, 370, 454, 592, 740, 908, 1135, 1480, 1549, 1816, 2270, 2960, 3098, 3632, 4540, 6196, 7745, 8399, 9080, 12392, 15490, 16798, 18160, 24784, 30980, 33596, 41995, 57313, 61960, 67192, 83990, 114626, 123920, 134384, 167980, 229252, 286565, 335960, 351623, 458504, 573130, 671920, 703246, 917008, 1146260, 1406492, 1758115, 2292520, 2812984, 3516230, 4585040, 5625968, 7032460, 13010051, 14064920, 26020102, 28129840, 52040204, 65050255, 104080408, 130100510, 208160816, 260201020, 520402040, 1040804080]

約数ペア:

[(1, 1040804080), (2, 520402040), (4, 260201020), (5, 208160816), (8, 130100510), (10, 104080408), (16, 65050255), (20, 52040204), (37, 28129840), (40, 26020102), (74, 14064920), (80, 13010051), (148, 7032460), (185, 5625968), (227, 4585040), (296, 3516230), (370, 2812984), (454, 2292520), (592, 1758115), (740, 1406492), (908, 1146260), (1135, 917008), (1480, 703246), (1549, 671920), (1816, 573130), (2270, 458504), (2960, 351623), (3098, 335960), (3632, 286565), (4540, 229252), (6196, 167980), (7745, 134384), (8399, 123920), (9080, 114626), (12392, 83990), (15490, 67192), (16798, 61960), (18160, 57313), (24784, 41995), (30980, 33596)]