28415360

素因数分解:

$2^7\times 5^1\times {\mathrm{29}}^1\times {\mathrm{1531}}^1$

素因数の和:1579

約数の個数: 64

約数和(自身を含む): 70318800

約数和(自身を除く): 41903440

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 29, 32, 40, 58, 64, 80, 116, 128, 145, 160, 232, 290, 320, 464, 580, 640, 928, 1160, 1531, 1856, 2320, 3062, 3712, 4640, 6124, 7655, 9280, 12248, 15310, 18560, 24496, 30620, 44399, 48992, 61240, 88798, 97984, 122480, 177596, 195968, 221995, 244960, 355192, 443990, 489920, 710384, 887980, 979840, 1420768, 1775960, 2841536, 3551920, 5683072, 7103840, 14207680, 28415360]

約数ペア:

[(1, 28415360), (2, 14207680), (4, 7103840), (5, 5683072), (8, 3551920), (10, 2841536), (16, 1775960), (20, 1420768), (29, 979840), (32, 887980), (40, 710384), (58, 489920), (64, 443990), (80, 355192), (116, 244960), (128, 221995), (145, 195968), (160, 177596), (232, 122480), (290, 97984), (320, 88798), (464, 61240), (580, 48992), (640, 44399), (928, 30620), (1160, 24496), (1531, 18560), (1856, 15310), (2320, 12248), (3062, 9280), (3712, 7655), (4640, 6124)]