16480220

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{1399}}^1$

素因数の和:1458

約数の個数: 48

約数和(自身を含む): 37632000

約数和(自身を除く): 21151780

約数列:

[1, 2, 4, 5, 10, 19, 20, 31, 38, 62, 76, 95, 124, 155, 190, 310, 380, 589, 620, 1178, 1399, 2356, 2798, 2945, 5596, 5890, 6995, 11780, 13990, 26581, 27980, 43369, 53162, 86738, 106324, 132905, 173476, 216845, 265810, 433690, 531620, 824011, 867380, 1648022, 3296044, 4120055, 8240110, 16480220]

約数ペア:

[(1, 16480220), (2, 8240110), (4, 4120055), (5, 3296044), (10, 1648022), (19, 867380), (20, 824011), (31, 531620), (38, 433690), (62, 265810), (76, 216845), (95, 173476), (124, 132905), (155, 106324), (190, 86738), (310, 53162), (380, 43369), (589, 27980), (620, 26581), (1178, 13990), (1399, 11780), (2356, 6995), (2798, 5890), (2945, 5596)]