40513408

素因数分解:

$2^7\times {\mathrm{13}}^1\times {\mathrm{97}}^1\times {\mathrm{251}}^1$

素因数の和:375

約数の個数: 64

約数和(自身を含む): 88164720

約数和(自身を除く): 47651312

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 64, 97, 104, 128, 194, 208, 251, 388, 416, 502, 776, 832, 1004, 1261, 1552, 1664, 2008, 2522, 3104, 3263, 4016, 5044, 6208, 6526, 8032, 10088, 12416, 13052, 16064, 20176, 24347, 26104, 32128, 40352, 48694, 52208, 80704, 97388, 104416, 161408, 194776, 208832, 316511, 389552, 417664, 633022, 779104, 1266044, 1558208, 2532088, 3116416, 5064176, 10128352, 20256704, 40513408]

約数ペア:

[(1, 40513408), (2, 20256704), (4, 10128352), (8, 5064176), (13, 3116416), (16, 2532088), (26, 1558208), (32, 1266044), (52, 779104), (64, 633022), (97, 417664), (104, 389552), (128, 316511), (194, 208832), (208, 194776), (251, 161408), (388, 104416), (416, 97388), (502, 80704), (776, 52208), (832, 48694), (1004, 40352), (1261, 32128), (1552, 26104), (1664, 24347), (2008, 20176), (2522, 16064), (3104, 13052), (3263, 12416), (4016, 10088), (5044, 8032), (6208, 6526)]