28898320

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{32839}}^1$

素因数の和:32863

約数の個数: 40

約数和(自身を含む): 73298880

約数和(自身を除く): 44400560

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 176, 220, 440, 880, 32839, 65678, 131356, 164195, 262712, 328390, 361229, 525424, 656780, 722458, 1313560, 1444916, 1806145, 2627120, 2889832, 3612290, 5779664, 7224580, 14449160, 28898320]

約数ペア:

[(1, 28898320), (2, 14449160), (4, 7224580), (5, 5779664), (8, 3612290), (10, 2889832), (11, 2627120), (16, 1806145), (20, 1444916), (22, 1313560), (40, 722458), (44, 656780), (55, 525424), (80, 361229), (88, 328390), (110, 262712), (176, 164195), (220, 131356), (440, 65678), (880, 32839)]