39025280

素因数分解:

$2^7\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{281}}^1$

素因数の和:338

約数の個数: 128

約数和(自身を含む): 110453760

約数和(自身を除く): 71428480

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 31, 32, 35, 40, 56, 62, 64, 70, 80, 112, 124, 128, 140, 155, 160, 217, 224, 248, 280, 281, 310, 320, 434, 448, 496, 560, 562, 620, 640, 868, 896, 992, 1085, 1120, 1124, 1240, 1405, 1736, 1967, 1984, 2170, 2240, 2248, 2480, 2810, 3472, 3934, 3968, 4340, 4480, 4496, 4960, 5620, 6944, 7868, 8680, 8711, 8992, 9835, 9920, 11240, 13888, 15736, 17360, 17422, 17984, 19670, 19840, 22480, 27776, 31472, 34720, 34844, 35968, 39340, 43555, 44960, 60977, 62944, 69440, 69688, 78680, 87110, 89920, 121954, 125888, 138880, 139376, 157360, 174220, 179840, 243908, 251776, 278752, 304885, 314720, 348440, 487816, 557504, 609770, 629440, 696880, 975632, 1115008, 1219540, 1258880, 1393760, 1951264, 2439080, 2787520, 3902528, 4878160, 5575040, 7805056, 9756320, 19512640, 39025280]

約数ペア:

[(1, 39025280), (2, 19512640), (4, 9756320), (5, 7805056), (7, 5575040), (8, 4878160), (10, 3902528), (14, 2787520), (16, 2439080), (20, 1951264), (28, 1393760), (31, 1258880), (32, 1219540), (35, 1115008), (40, 975632), (56, 696880), (62, 629440), (64, 609770), (70, 557504), (80, 487816), (112, 348440), (124, 314720), (128, 304885), (140, 278752), (155, 251776), (160, 243908), (217, 179840), (224, 174220), (248, 157360), (280, 139376), (281, 138880), (310, 125888), (320, 121954), (434, 89920), (448, 87110), (496, 78680), (560, 69688), (562, 69440), (620, 62944), (640, 60977), (868, 44960), (896, 43555), (992, 39340), (1085, 35968), (1120, 34844), (1124, 34720), (1240, 31472), (1405, 27776), (1736, 22480), (1967, 19840), (1984, 19670), (2170, 17984), (2240, 17422), (2248, 17360), (2480, 15736), (2810, 13888), (3472, 11240), (3934, 9920), (3968, 9835), (4340, 8992), (4480, 8711), (4496, 8680), (4960, 7868), (5620, 6944)]