90516680

素因数分解:

$2^3\times 5^1\times {\mathrm{61}}^1\times {\mathrm{37097}}^1$

素因数の和:37169

約数の個数: 32

約数和(自身を含む): 207006840

約数和(自身を除く): 116490160

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 61, 122, 244, 305, 488, 610, 1220, 2440, 37097, 74194, 148388, 185485, 296776, 370970, 741940, 1483880, 2262917, 4525834, 9051668, 11314585, 18103336, 22629170, 45258340, 90516680]

約数ペア:

[(1, 90516680), (2, 45258340), (4, 22629170), (5, 18103336), (8, 11314585), (10, 9051668), (20, 4525834), (40, 2262917), (61, 1483880), (122, 741940), (244, 370970), (305, 296776), (488, 185485), (610, 148388), (1220, 74194), (2440, 37097)]