40243216

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{599}}^1$

素因数の和:656

約数の個数: 80

約数和(自身を含む): 93744000

約数和(自身を除く): 53500784

約数列:

[1, 2, 4, 8, 13, 16, 17, 19, 26, 34, 38, 52, 68, 76, 104, 136, 152, 208, 221, 247, 272, 304, 323, 442, 494, 599, 646, 884, 988, 1198, 1292, 1768, 1976, 2396, 2584, 3536, 3952, 4199, 4792, 5168, 7787, 8398, 9584, 10183, 11381, 15574, 16796, 20366, 22762, 31148, 33592, 40732, 45524, 62296, 67184, 81464, 91048, 124592, 132379, 147953, 162928, 182096, 193477, 264758, 295906, 386954, 529516, 591812, 773908, 1059032, 1183624, 1547816, 2118064, 2367248, 2515201, 3095632, 5030402, 10060804, 20121608, 40243216]

約数ペア:

[(1, 40243216), (2, 20121608), (4, 10060804), (8, 5030402), (13, 3095632), (16, 2515201), (17, 2367248), (19, 2118064), (26, 1547816), (34, 1183624), (38, 1059032), (52, 773908), (68, 591812), (76, 529516), (104, 386954), (136, 295906), (152, 264758), (208, 193477), (221, 182096), (247, 162928), (272, 147953), (304, 132379), (323, 124592), (442, 91048), (494, 81464), (599, 67184), (646, 62296), (884, 45524), (988, 40732), (1198, 33592), (1292, 31148), (1768, 22762), (1976, 20366), (2396, 16796), (2584, 15574), (3536, 11381), (3952, 10183), (4199, 9584), (4792, 8398), (5168, 7787)]