28232320

素因数分解:

$2^7\times 5^1\times {\mathrm{31}}^1\times {\mathrm{1423}}^1$

素因数の和:1473

約数の個数: 64

約数和(自身を含む): 69719040

約数和(自身を除く): 41486720

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 64, 80, 124, 128, 155, 160, 248, 310, 320, 496, 620, 640, 992, 1240, 1423, 1984, 2480, 2846, 3968, 4960, 5692, 7115, 9920, 11384, 14230, 19840, 22768, 28460, 44113, 45536, 56920, 88226, 91072, 113840, 176452, 182144, 220565, 227680, 352904, 441130, 455360, 705808, 882260, 910720, 1411616, 1764520, 2823232, 3529040, 5646464, 7058080, 14116160, 28232320]

約数ペア:

[(1, 28232320), (2, 14116160), (4, 7058080), (5, 5646464), (8, 3529040), (10, 2823232), (16, 1764520), (20, 1411616), (31, 910720), (32, 882260), (40, 705808), (62, 455360), (64, 441130), (80, 352904), (124, 227680), (128, 220565), (155, 182144), (160, 176452), (248, 113840), (310, 91072), (320, 88226), (496, 56920), (620, 45536), (640, 44113), (992, 28460), (1240, 22768), (1423, 19840), (1984, 14230), (2480, 11384), (2846, 9920), (3968, 7115), (4960, 5692)]