40397344

素因数分解:

$2^5\times {\mathrm{13}}^1\times {\mathrm{19}}^2\times {\mathrm{269}}^1$

素因数の和:330

約数の個数: 72

約数和(自身を含む): 90731340

約数和(自身を除く): 50333996

約数列:

[1, 2, 4, 8, 13, 16, 19, 26, 32, 38, 52, 76, 104, 152, 208, 247, 269, 304, 361, 416, 494, 538, 608, 722, 988, 1076, 1444, 1976, 2152, 2888, 3497, 3952, 4304, 4693, 5111, 5776, 6994, 7904, 8608, 9386, 10222, 11552, 13988, 18772, 20444, 27976, 37544, 40888, 55952, 66443, 75088, 81776, 97109, 111904, 132886, 150176, 163552, 194218, 265772, 388436, 531544, 776872, 1063088, 1262417, 1553744, 2126176, 2524834, 3107488, 5049668, 10099336, 20198672, 40397344]

約数ペア:

[(1, 40397344), (2, 20198672), (4, 10099336), (8, 5049668), (13, 3107488), (16, 2524834), (19, 2126176), (26, 1553744), (32, 1262417), (38, 1063088), (52, 776872), (76, 531544), (104, 388436), (152, 265772), (208, 194218), (247, 163552), (269, 150176), (304, 132886), (361, 111904), (416, 97109), (494, 81776), (538, 75088), (608, 66443), (722, 55952), (988, 40888), (1076, 37544), (1444, 27976), (1976, 20444), (2152, 18772), (2888, 13988), (3497, 11552), (3952, 10222), (4304, 9386), (4693, 8608), (5111, 7904), (5776, 6994)]