40804990

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{59}}^1\times {\mathrm{97}}^1$

素因数の和:217

約数の個数: 64

約数和(自身を含む): 81285120

約数和(自身を除く): 40480130

約数列:

[1, 2, 5, 10, 23, 31, 46, 59, 62, 97, 115, 118, 155, 194, 230, 295, 310, 485, 590, 713, 970, 1357, 1426, 1829, 2231, 2714, 3007, 3565, 3658, 4462, 5723, 6014, 6785, 7130, 9145, 11155, 11446, 13570, 15035, 18290, 22310, 28615, 30070, 42067, 57230, 69161, 84134, 131629, 138322, 177413, 210335, 263258, 345805, 354826, 420670, 658145, 691610, 887065, 1316290, 1774130, 4080499, 8160998, 20402495, 40804990]

約数ペア:

[(1, 40804990), (2, 20402495), (5, 8160998), (10, 4080499), (23, 1774130), (31, 1316290), (46, 887065), (59, 691610), (62, 658145), (97, 420670), (115, 354826), (118, 345805), (155, 263258), (194, 210335), (230, 177413), (295, 138322), (310, 131629), (485, 84134), (590, 69161), (713, 57230), (970, 42067), (1357, 30070), (1426, 28615), (1829, 22310), (2231, 18290), (2714, 15035), (3007, 13570), (3565, 11446), (3658, 11155), (4462, 9145), (5723, 7130), (6014, 6785)]