4023440

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{2647}}^1$

素因数の和:2679

約数の個数: 40

約数和(自身を含む): 9850560

約数和(自身を除く): 5827120

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 152, 190, 304, 380, 760, 1520, 2647, 5294, 10588, 13235, 21176, 26470, 42352, 50293, 52940, 100586, 105880, 201172, 211760, 251465, 402344, 502930, 804688, 1005860, 2011720, 4023440]

約数ペア:

[(1, 4023440), (2, 2011720), (4, 1005860), (5, 804688), (8, 502930), (10, 402344), (16, 251465), (19, 211760), (20, 201172), (38, 105880), (40, 100586), (76, 52940), (80, 50293), (95, 42352), (152, 26470), (190, 21176), (304, 13235), (380, 10588), (760, 5294), (1520, 2647)]