40676960

素因数分解:

$2^5\times 5^1\times {\mathrm{31}}^1\times {\mathrm{59}}^1\times {\mathrm{139}}^1$

素因数の和:244

約数の個数: 96

約数和(自身を含む): 101606400

約数和(自身を除く): 60929440

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 59, 62, 80, 118, 124, 139, 155, 160, 236, 248, 278, 295, 310, 472, 496, 556, 590, 620, 695, 944, 992, 1112, 1180, 1240, 1390, 1829, 1888, 2224, 2360, 2480, 2780, 3658, 4309, 4448, 4720, 4960, 5560, 7316, 8201, 8618, 9145, 9440, 11120, 14632, 16402, 17236, 18290, 21545, 22240, 29264, 32804, 34472, 36580, 41005, 43090, 58528, 65608, 68944, 73160, 82010, 86180, 131216, 137888, 146320, 164020, 172360, 254231, 262432, 292640, 328040, 344720, 508462, 656080, 689440, 1016924, 1271155, 1312160, 2033848, 2542310, 4067696, 5084620, 8135392, 10169240, 20338480, 40676960]

約数ペア:

[(1, 40676960), (2, 20338480), (4, 10169240), (5, 8135392), (8, 5084620), (10, 4067696), (16, 2542310), (20, 2033848), (31, 1312160), (32, 1271155), (40, 1016924), (59, 689440), (62, 656080), (80, 508462), (118, 344720), (124, 328040), (139, 292640), (155, 262432), (160, 254231), (236, 172360), (248, 164020), (278, 146320), (295, 137888), (310, 131216), (472, 86180), (496, 82010), (556, 73160), (590, 68944), (620, 65608), (695, 58528), (944, 43090), (992, 41005), (1112, 36580), (1180, 34472), (1240, 32804), (1390, 29264), (1829, 22240), (1888, 21545), (2224, 18290), (2360, 17236), (2480, 16402), (2780, 14632), (3658, 11120), (4309, 9440), (4448, 9145), (4720, 8618), (4960, 8201), (5560, 7316)]