28296680

素因数分解:

$2^3\times 5^1\times {\mathrm{61}}^1\times {\mathrm{11597}}^1$

素因数の和:11669

約数の個数: 32

約数和(自身を含む): 64716840

約数和(自身を除く): 36420160

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 61, 122, 244, 305, 488, 610, 1220, 2440, 11597, 23194, 46388, 57985, 92776, 115970, 231940, 463880, 707417, 1414834, 2829668, 3537085, 5659336, 7074170, 14148340, 28296680]

約数ペア:

[(1, 28296680), (2, 14148340), (4, 7074170), (5, 5659336), (8, 3537085), (10, 2829668), (20, 1414834), (40, 707417), (61, 463880), (122, 231940), (244, 115970), (305, 92776), (488, 57985), (610, 46388), (1220, 23194), (2440, 11597)]