40638688

素因数分解:

$2^5\times {\mathrm{61}}^1\times {\mathrm{109}}^1\times {\mathrm{191}}^1$

素因数の和:371

約数の個数: 48

約数和(自身を含む): 82494720

約数和(自身を除く): 41856032

約数列:

[1, 2, 4, 8, 16, 32, 61, 109, 122, 191, 218, 244, 382, 436, 488, 764, 872, 976, 1528, 1744, 1952, 3056, 3488, 6112, 6649, 11651, 13298, 20819, 23302, 26596, 41638, 46604, 53192, 83276, 93208, 106384, 166552, 186416, 212768, 333104, 372832, 666208, 1269959, 2539918, 5079836, 10159672, 20319344, 40638688]

約数ペア:

[(1, 40638688), (2, 20319344), (4, 10159672), (8, 5079836), (16, 2539918), (32, 1269959), (61, 666208), (109, 372832), (122, 333104), (191, 212768), (218, 186416), (244, 166552), (382, 106384), (436, 93208), (488, 83276), (764, 53192), (872, 46604), (976, 41638), (1528, 26596), (1744, 23302), (1952, 20819), (3056, 13298), (3488, 11651), (6112, 6649)]