20510147150

素因数分解:

$2^1\times 5^2\times {\mathrm{31}}^1\times {\mathrm{2647}}^1\times {\mathrm{4999}}^1$

素因数の和:7689

約数の個数: 48

約数和(自身を含む): 39402240000

約数和(自身を除く): 18892092850

約数列:

[1, 2, 5, 10, 25, 31, 50, 62, 155, 310, 775, 1550, 2647, 4999, 5294, 9998, 13235, 24995, 26470, 49990, 66175, 82057, 124975, 132350, 154969, 164114, 249950, 309938, 410285, 774845, 820570, 1549690, 2051425, 3874225, 4102850, 7748450, 13232353, 26464706, 66161765, 132323530, 330808825, 410202943, 661617650, 820405886, 2051014715, 4102029430, 10255073575, 20510147150]

約数ペア:

[(1, 20510147150), (2, 10255073575), (5, 4102029430), (10, 2051014715), (25, 820405886), (31, 661617650), (50, 410202943), (62, 330808825), (155, 132323530), (310, 66161765), (775, 26464706), (1550, 13232353), (2647, 7748450), (4999, 4102850), (5294, 3874225), (9998, 2051425), (13235, 1549690), (24995, 820570), (26470, 774845), (49990, 410285), (66175, 309938), (82057, 249950), (124975, 164114), (132350, 154969)]