25477504

素因数分解:

$2^7\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{251}}^1$

素因数の和:339

約数の個数: 64

約数和(自身を含む): 55777680

約数和(自身を除く): 30300176

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 61, 64, 104, 122, 128, 208, 244, 251, 416, 488, 502, 793, 832, 976, 1004, 1586, 1664, 1952, 2008, 3172, 3263, 3904, 4016, 6344, 6526, 7808, 8032, 12688, 13052, 15311, 16064, 25376, 26104, 30622, 32128, 50752, 52208, 61244, 101504, 104416, 122488, 199043, 208832, 244976, 398086, 417664, 489952, 796172, 979904, 1592344, 1959808, 3184688, 6369376, 12738752, 25477504]

約数ペア:

[(1, 25477504), (2, 12738752), (4, 6369376), (8, 3184688), (13, 1959808), (16, 1592344), (26, 979904), (32, 796172), (52, 489952), (61, 417664), (64, 398086), (104, 244976), (122, 208832), (128, 199043), (208, 122488), (244, 104416), (251, 101504), (416, 61244), (488, 52208), (502, 50752), (793, 32128), (832, 30622), (976, 26104), (1004, 25376), (1586, 16064), (1664, 15311), (1952, 13052), (2008, 12688), (3172, 8032), (3263, 7808), (3904, 6526), (4016, 6344)]