78007760

素因数分解:

$2^4\times 5^1\times {\mathrm{79}}^1\times {\mathrm{12343}}^1$

素因数の和:12435

約数の個数: 40

約数和(自身を含む): 183678720

約数和(自身を除く): 105670960

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 79, 80, 158, 316, 395, 632, 790, 1264, 1580, 3160, 6320, 12343, 24686, 49372, 61715, 98744, 123430, 197488, 246860, 493720, 975097, 987440, 1950194, 3900388, 4875485, 7800776, 9750970, 15601552, 19501940, 39003880, 78007760]

約数ペア:

[(1, 78007760), (2, 39003880), (4, 19501940), (5, 15601552), (8, 9750970), (10, 7800776), (16, 4875485), (20, 3900388), (40, 1950194), (79, 987440), (80, 975097), (158, 493720), (316, 246860), (395, 197488), (632, 123430), (790, 98744), (1264, 61715), (1580, 49372), (3160, 24686), (6320, 12343)]