25641472

素因数分解:

$2^9\times {\mathrm{61}}^1\times {\mathrm{821}}^1$

素因数の和:900

約数の個数: 40

約数和(自身を含む): 52136172

約数和(自身を除く): 26494700

約数列:

[1, 2, 4, 8, 16, 32, 61, 64, 122, 128, 244, 256, 488, 512, 821, 976, 1642, 1952, 3284, 3904, 6568, 7808, 13136, 15616, 26272, 31232, 50081, 52544, 100162, 105088, 200324, 210176, 400648, 420352, 801296, 1602592, 3205184, 6410368, 12820736, 25641472]

約数ペア:

[(1, 25641472), (2, 12820736), (4, 6410368), (8, 3205184), (16, 1602592), (32, 801296), (61, 420352), (64, 400648), (122, 210176), (128, 200324), (244, 105088), (256, 100162), (488, 52544), (512, 50081), (821, 31232), (976, 26272), (1642, 15616), (1952, 13136), (3284, 7808), (3904, 6568)]