78689440

素因数分解:

$2^5\times 5^1\times {\mathrm{23}}^1\times {\mathrm{21383}}^1$

素因数の和:21421

約数の個数: 48

約数和(自身を含む): 193995648

約数和(自身を除く): 115306208

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 32, 40, 46, 80, 92, 115, 160, 184, 230, 368, 460, 736, 920, 1840, 3680, 21383, 42766, 85532, 106915, 171064, 213830, 342128, 427660, 491809, 684256, 855320, 983618, 1710640, 1967236, 2459045, 3421280, 3934472, 4918090, 7868944, 9836180, 15737888, 19672360, 39344720, 78689440]

約数ペア:

[(1, 78689440), (2, 39344720), (4, 19672360), (5, 15737888), (8, 9836180), (10, 7868944), (16, 4918090), (20, 3934472), (23, 3421280), (32, 2459045), (40, 1967236), (46, 1710640), (80, 983618), (92, 855320), (115, 684256), (160, 491809), (184, 427660), (230, 342128), (368, 213830), (460, 171064), (736, 106915), (920, 85532), (1840, 42766), (3680, 21383)]