39639440

素因数分解:

$2^4\times 5^1\times {\mathrm{641}}^1\times {\mathrm{773}}^1$

素因数の和:1427

約数の個数: 40

約数和(自身を含む): 92424888

約数和(自身を除く): 52785448

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 641, 773, 1282, 1546, 2564, 3092, 3205, 3865, 5128, 6184, 6410, 7730, 10256, 12368, 12820, 15460, 25640, 30920, 51280, 61840, 495493, 990986, 1981972, 2477465, 3963944, 4954930, 7927888, 9909860, 19819720, 39639440]

約数ペア:

[(1, 39639440), (2, 19819720), (4, 9909860), (5, 7927888), (8, 4954930), (10, 3963944), (16, 2477465), (20, 1981972), (40, 990986), (80, 495493), (641, 61840), (773, 51280), (1282, 30920), (1546, 25640), (2564, 15460), (3092, 12820), (3205, 12368), (3865, 10256), (5128, 7730), (6184, 6410)]