100727980

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{122839}}^1$

素因数の和:122889

約数の個数: 24

約数和(自身を含む): 216689760

約数和(自身を除く): 115961780

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 205, 410, 820, 122839, 245678, 491356, 614195, 1228390, 2456780, 5036399, 10072798, 20145596, 25181995, 50363990, 100727980]

約数ペア:

[(1, 100727980), (2, 50363990), (4, 25181995), (5, 20145596), (10, 10072798), (20, 5036399), (41, 2456780), (82, 1228390), (164, 614195), (205, 491356), (410, 245678), (820, 122839)]