28895320

素因数分解:

$2^3\times 5^1\times {\mathrm{139}}^1\times {\mathrm{5197}}^1$

素因数の和:5347

約数の個数: 32

約数和(自身を含む): 65494800

約数和(自身を除く): 36599480

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 139, 278, 556, 695, 1112, 1390, 2780, 5197, 5560, 10394, 20788, 25985, 41576, 51970, 103940, 207880, 722383, 1444766, 2889532, 3611915, 5779064, 7223830, 14447660, 28895320]

約数ペア:

[(1, 28895320), (2, 14447660), (4, 7223830), (5, 5779064), (8, 3611915), (10, 2889532), (20, 1444766), (40, 722383), (139, 207880), (278, 103940), (556, 51970), (695, 41576), (1112, 25985), (1390, 20788), (2780, 10394), (5197, 5560)]