40380880

素因数分解:

$2^4\times 5^1\times {\mathrm{251}}^1\times {\mathrm{2011}}^1$

素因数の和:2275

約数の個数: 40

約数和(自身を含む): 94306464

約数和(自身を除く): 53925584

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 251, 502, 1004, 1255, 2008, 2011, 2510, 4016, 4022, 5020, 8044, 10040, 10055, 16088, 20080, 20110, 32176, 40220, 80440, 160880, 504761, 1009522, 2019044, 2523805, 4038088, 5047610, 8076176, 10095220, 20190440, 40380880]

約数ペア:

[(1, 40380880), (2, 20190440), (4, 10095220), (5, 8076176), (8, 5047610), (10, 4038088), (16, 2523805), (20, 2019044), (40, 1009522), (80, 504761), (251, 160880), (502, 80440), (1004, 40220), (1255, 32176), (2008, 20110), (2011, 20080), (2510, 16088), (4016, 10055), (4022, 10040), (5020, 8044)]