155963590

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{20021}}^1$

素因数の和:20088

約数の個数: 32

約数和(自身を含む): 302732640

約数和(自身を除く): 146769050

約数列:

[1, 2, 5, 10, 19, 38, 41, 82, 95, 190, 205, 410, 779, 1558, 3895, 7790, 20021, 40042, 100105, 200210, 380399, 760798, 820861, 1641722, 1901995, 3803990, 4104305, 8208610, 15596359, 31192718, 77981795, 155963590]

約数ペア:

[(1, 155963590), (2, 77981795), (5, 31192718), (10, 15596359), (19, 8208610), (38, 4104305), (41, 3803990), (82, 1901995), (95, 1641722), (190, 820861), (205, 760798), (410, 380399), (779, 200210), (1558, 100105), (3895, 40042), (7790, 20021)]