88639240

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^2\times {\mathrm{59}}^1\times {\mathrm{71}}^1$

素因数の和:187

約数の個数: 96

約数和(自身を含む): 215006400

約数和(自身を除く): 126367160

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 40, 46, 59, 71, 92, 115, 118, 142, 184, 230, 236, 284, 295, 355, 460, 472, 529, 568, 590, 710, 920, 1058, 1180, 1357, 1420, 1633, 2116, 2360, 2645, 2714, 2840, 3266, 4189, 4232, 5290, 5428, 6532, 6785, 8165, 8378, 10580, 10856, 13064, 13570, 16330, 16756, 20945, 21160, 27140, 31211, 32660, 33512, 37559, 41890, 54280, 62422, 65320, 75118, 83780, 96347, 124844, 150236, 156055, 167560, 187795, 192694, 249688, 300472, 312110, 375590, 385388, 481735, 624220, 751180, 770776, 963470, 1248440, 1502360, 1926940, 2215981, 3853880, 4431962, 8863924, 11079905, 17727848, 22159810, 44319620, 88639240]

約数ペア:

[(1, 88639240), (2, 44319620), (4, 22159810), (5, 17727848), (8, 11079905), (10, 8863924), (20, 4431962), (23, 3853880), (40, 2215981), (46, 1926940), (59, 1502360), (71, 1248440), (92, 963470), (115, 770776), (118, 751180), (142, 624220), (184, 481735), (230, 385388), (236, 375590), (284, 312110), (295, 300472), (355, 249688), (460, 192694), (472, 187795), (529, 167560), (568, 156055), (590, 150236), (710, 124844), (920, 96347), (1058, 83780), (1180, 75118), (1357, 65320), (1420, 62422), (1633, 54280), (2116, 41890), (2360, 37559), (2645, 33512), (2714, 32660), (2840, 31211), (3266, 27140), (4189, 21160), (4232, 20945), (5290, 16756), (5428, 16330), (6532, 13570), (6785, 13064), (8165, 10856), (8378, 10580)]