4889660

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{67}}^1\times {\mathrm{89}}^1$

素因数の和:206

約数の個数: 48

約数和(自身を含む): 10795680

約数和(自身を除く): 5906020

約数列:

[1, 2, 4, 5, 10, 20, 41, 67, 82, 89, 134, 164, 178, 205, 268, 335, 356, 410, 445, 670, 820, 890, 1340, 1780, 2747, 3649, 5494, 5963, 7298, 10988, 11926, 13735, 14596, 18245, 23852, 27470, 29815, 36490, 54940, 59630, 72980, 119260, 244483, 488966, 977932, 1222415, 2444830, 4889660]

約数ペア:

[(1, 4889660), (2, 2444830), (4, 1222415), (5, 977932), (10, 488966), (20, 244483), (41, 119260), (67, 72980), (82, 59630), (89, 54940), (134, 36490), (164, 29815), (178, 27470), (205, 23852), (268, 18245), (335, 14596), (356, 13735), (410, 11926), (445, 10988), (670, 7298), (820, 5963), (890, 5494), (1340, 3649), (1780, 2747)]