40371920

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{73}}^1\times {\mathrm{223}}^1$

素因数の和:340

約数の個数: 80

約数和(自身を含む): 98660352

約数和(自身を除く): 58288432

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 73, 80, 124, 146, 155, 223, 248, 292, 310, 365, 446, 496, 584, 620, 730, 892, 1115, 1168, 1240, 1460, 1784, 2230, 2263, 2480, 2920, 3568, 4460, 4526, 5840, 6913, 8920, 9052, 11315, 13826, 16279, 17840, 18104, 22630, 27652, 32558, 34565, 36208, 45260, 55304, 65116, 69130, 81395, 90520, 110608, 130232, 138260, 162790, 181040, 260464, 276520, 325580, 504649, 553040, 651160, 1009298, 1302320, 2018596, 2523245, 4037192, 5046490, 8074384, 10092980, 20185960, 40371920]

約数ペア:

[(1, 40371920), (2, 20185960), (4, 10092980), (5, 8074384), (8, 5046490), (10, 4037192), (16, 2523245), (20, 2018596), (31, 1302320), (40, 1009298), (62, 651160), (73, 553040), (80, 504649), (124, 325580), (146, 276520), (155, 260464), (223, 181040), (248, 162790), (292, 138260), (310, 130232), (365, 110608), (446, 90520), (496, 81395), (584, 69130), (620, 65116), (730, 55304), (892, 45260), (1115, 36208), (1168, 34565), (1240, 32558), (1460, 27652), (1784, 22630), (2230, 18104), (2263, 17840), (2480, 16279), (2920, 13826), (3568, 11315), (4460, 9052), (4526, 8920), (5840, 6913)]