40157728

素因数分解:

$2^5\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{2609}}^1$

素因数の和:2669

約数の個数: 48

約数和(自身を含む): 87476760

約数和(自身を除く): 47319032

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 37, 52, 74, 104, 148, 208, 296, 416, 481, 592, 962, 1184, 1924, 2609, 3848, 5218, 7696, 10436, 15392, 20872, 33917, 41744, 67834, 83488, 96533, 135668, 193066, 271336, 386132, 542672, 772264, 1085344, 1254929, 1544528, 2509858, 3089056, 5019716, 10039432, 20078864, 40157728]

約数ペア:

[(1, 40157728), (2, 20078864), (4, 10039432), (8, 5019716), (13, 3089056), (16, 2509858), (26, 1544528), (32, 1254929), (37, 1085344), (52, 772264), (74, 542672), (104, 386132), (148, 271336), (208, 193066), (296, 135668), (416, 96533), (481, 83488), (592, 67834), (962, 41744), (1184, 33917), (1924, 20872), (2609, 15392), (3848, 10436), (5218, 7696)]