78700880

素因数分解:

$2^4\times 5^1\times {\mathrm{67}}^1\times {\mathrm{14683}}^1$

素因数の和:14763

約数の個数: 40

約数和(自身を含む): 185723232

約数和(自身を除く): 107022352

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 67, 80, 134, 268, 335, 536, 670, 1072, 1340, 2680, 5360, 14683, 29366, 58732, 73415, 117464, 146830, 234928, 293660, 587320, 983761, 1174640, 1967522, 3935044, 4918805, 7870088, 9837610, 15740176, 19675220, 39350440, 78700880]

約数ペア:

[(1, 78700880), (2, 39350440), (4, 19675220), (5, 15740176), (8, 9837610), (10, 7870088), (16, 4918805), (20, 3935044), (40, 1967522), (67, 1174640), (80, 983761), (134, 587320), (268, 293660), (335, 234928), (536, 146830), (670, 117464), (1072, 73415), (1340, 58732), (2680, 29366), (5360, 14683)]