87840880

素因数分解:

$2^4\times 5^1\times {\mathrm{983}}^1\times {\mathrm{1117}}^1$

素因数の和:2113

約数の個数: 40

約数和(自身を含む): 204620832

約数和(自身を除く): 116779952

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 983, 1117, 1966, 2234, 3932, 4468, 4915, 5585, 7864, 8936, 9830, 11170, 15728, 17872, 19660, 22340, 39320, 44680, 78640, 89360, 1098011, 2196022, 4392044, 5490055, 8784088, 10980110, 17568176, 21960220, 43920440, 87840880]

約数ペア:

[(1, 87840880), (2, 43920440), (4, 21960220), (5, 17568176), (8, 10980110), (10, 8784088), (16, 5490055), (20, 4392044), (40, 2196022), (80, 1098011), (983, 89360), (1117, 78640), (1966, 44680), (2234, 39320), (3932, 22340), (4468, 19660), (4915, 17872), (5585, 15728), (7864, 11170), (8936, 9830)]