28305261220

素因数分解:

$2^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{5113}}^1\times {\mathrm{7481}}^1$

素因数の和:12640

約数の個数: 48

約数和(自身を含む): 61067665008

約数和(自身を除く): 32762403788

約数列:

[1, 2, 4, 5, 10, 20, 37, 74, 148, 185, 370, 740, 5113, 7481, 10226, 14962, 20452, 25565, 29924, 37405, 51130, 74810, 102260, 149620, 189181, 276797, 378362, 553594, 756724, 945905, 1107188, 1383985, 1891810, 2767970, 3783620, 5535940, 38250353, 76500706, 153001412, 191251765, 382503530, 765007060, 1415263061, 2830526122, 5661052244, 7076315305, 14152630610, 28305261220]

約数ペア:

[(1, 28305261220), (2, 14152630610), (4, 7076315305), (5, 5661052244), (10, 2830526122), (20, 1415263061), (37, 765007060), (74, 382503530), (148, 191251765), (185, 153001412), (370, 76500706), (740, 38250353), (5113, 5535940), (7481, 3783620), (10226, 2767970), (14962, 1891810), (20452, 1383985), (25565, 1107188), (29924, 945905), (37405, 756724), (51130, 553594), (74810, 378362), (102260, 276797), (149620, 189181)]