40490528

素因数分解:

$2^5\times {\mathrm{13}}^1\times {\mathrm{131}}^1\times {\mathrm{743}}^1$

素因数の和:897

約数の個数: 48

約数和(自身を含む): 86619456

約数和(自身を除く): 46128928

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 104, 131, 208, 262, 416, 524, 743, 1048, 1486, 1703, 2096, 2972, 3406, 4192, 5944, 6812, 9659, 11888, 13624, 19318, 23776, 27248, 38636, 54496, 77272, 97333, 154544, 194666, 309088, 389332, 778664, 1265329, 1557328, 2530658, 3114656, 5061316, 10122632, 20245264, 40490528]

約数ペア:

[(1, 40490528), (2, 20245264), (4, 10122632), (8, 5061316), (13, 3114656), (16, 2530658), (26, 1557328), (32, 1265329), (52, 778664), (104, 389332), (131, 309088), (208, 194666), (262, 154544), (416, 97333), (524, 77272), (743, 54496), (1048, 38636), (1486, 27248), (1703, 23776), (2096, 19318), (2972, 13624), (3406, 11888), (4192, 9659), (5944, 6812)]