40434784

素因数分解:

$2^5\times {\mathrm{13}}^1\times {\mathrm{37}}^2\times {\mathrm{71}}^1$

素因数の和:168

約数の個数: 72

約数和(自身を含む): 89350128

約数和(自身を除く): 48915344

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 37, 52, 71, 74, 104, 142, 148, 208, 284, 296, 416, 481, 568, 592, 923, 962, 1136, 1184, 1369, 1846, 1924, 2272, 2627, 2738, 3692, 3848, 5254, 5476, 7384, 7696, 10508, 10952, 14768, 15392, 17797, 21016, 21904, 29536, 34151, 35594, 42032, 43808, 68302, 71188, 84064, 97199, 136604, 142376, 194398, 273208, 284752, 388796, 546416, 569504, 777592, 1092832, 1263587, 1555184, 2527174, 3110368, 5054348, 10108696, 20217392, 40434784]

約数ペア:

[(1, 40434784), (2, 20217392), (4, 10108696), (8, 5054348), (13, 3110368), (16, 2527174), (26, 1555184), (32, 1263587), (37, 1092832), (52, 777592), (71, 569504), (74, 546416), (104, 388796), (142, 284752), (148, 273208), (208, 194398), (284, 142376), (296, 136604), (416, 97199), (481, 84064), (568, 71188), (592, 68302), (923, 43808), (962, 42032), (1136, 35594), (1184, 34151), (1369, 29536), (1846, 21904), (1924, 21016), (2272, 17797), (2627, 15392), (2738, 14768), (3692, 10952), (3848, 10508), (5254, 7696), (5476, 7384)]