78247040

素因数分解:

$2^7\times 5^1\times {\mathrm{103}}^1\times {\mathrm{1187}}^1$

素因数の和:1309

約数の個数: 64

約数和(自身を含む): 189034560

約数和(自身を除く): 110787520

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 103, 128, 160, 206, 320, 412, 515, 640, 824, 1030, 1187, 1648, 2060, 2374, 3296, 4120, 4748, 5935, 6592, 8240, 9496, 11870, 13184, 16480, 18992, 23740, 32960, 37984, 47480, 65920, 75968, 94960, 122261, 151936, 189920, 244522, 379840, 489044, 611305, 759680, 978088, 1222610, 1956176, 2445220, 3912352, 4890440, 7824704, 9780880, 15649408, 19561760, 39123520, 78247040]

約数ペア:

[(1, 78247040), (2, 39123520), (4, 19561760), (5, 15649408), (8, 9780880), (10, 7824704), (16, 4890440), (20, 3912352), (32, 2445220), (40, 1956176), (64, 1222610), (80, 978088), (103, 759680), (128, 611305), (160, 489044), (206, 379840), (320, 244522), (412, 189920), (515, 151936), (640, 122261), (824, 94960), (1030, 75968), (1187, 65920), (1648, 47480), (2060, 37984), (2374, 32960), (3296, 23740), (4120, 18992), (4748, 16480), (5935, 13184), (6592, 11870), (8240, 9496)]