40644890

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{661}}^1$

素因数の和:735

約数の個数: 64

約数和(自身を含む): 88083072

約数和(自身を除く): 47438182

約数列:

[1, 2, 5, 10, 11, 13, 22, 26, 43, 55, 65, 86, 110, 130, 143, 215, 286, 430, 473, 559, 661, 715, 946, 1118, 1322, 1430, 2365, 2795, 3305, 4730, 5590, 6149, 6610, 7271, 8593, 12298, 14542, 17186, 28423, 30745, 36355, 42965, 56846, 61490, 72710, 85930, 94523, 142115, 189046, 284230, 312653, 369499, 472615, 625306, 738998, 945230, 1563265, 1847495, 3126530, 3694990, 4064489, 8128978, 20322445, 40644890]

約数ペア:

[(1, 40644890), (2, 20322445), (5, 8128978), (10, 4064489), (11, 3694990), (13, 3126530), (22, 1847495), (26, 1563265), (43, 945230), (55, 738998), (65, 625306), (86, 472615), (110, 369499), (130, 312653), (143, 284230), (215, 189046), (286, 142115), (430, 94523), (473, 85930), (559, 72710), (661, 61490), (715, 56846), (946, 42965), (1118, 36355), (1322, 30745), (1430, 28423), (2365, 17186), (2795, 14542), (3305, 12298), (4730, 8593), (5590, 7271), (6149, 6610)]