22485560

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{769}}^1$

素因数の和:840

約数の個数: 64

約数和(自身を含む): 54885600

約数和(自身を除く): 32400040

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 43, 68, 85, 86, 136, 170, 172, 215, 340, 344, 430, 680, 731, 769, 860, 1462, 1538, 1720, 2924, 3076, 3655, 3845, 5848, 6152, 7310, 7690, 13073, 14620, 15380, 26146, 29240, 30760, 33067, 52292, 65365, 66134, 104584, 130730, 132268, 165335, 261460, 264536, 330670, 522920, 562139, 661340, 1124278, 1322680, 2248556, 2810695, 4497112, 5621390, 11242780, 22485560]

約数ペア:

[(1, 22485560), (2, 11242780), (4, 5621390), (5, 4497112), (8, 2810695), (10, 2248556), (17, 1322680), (20, 1124278), (34, 661340), (40, 562139), (43, 522920), (68, 330670), (85, 264536), (86, 261460), (136, 165335), (170, 132268), (172, 130730), (215, 104584), (340, 66134), (344, 65365), (430, 52292), (680, 33067), (731, 30760), (769, 29240), (860, 26146), (1462, 15380), (1538, 14620), (1720, 13073), (2924, 7690), (3076, 7310), (3655, 6152), (3845, 5848)]