39139420

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{59}}^1\times {\mathrm{809}}^1$

素因数の和:918

約数の個数: 48

約数和(自身を含む): 85730400

約数和(自身を除く): 46590980

約数列:

[1, 2, 4, 5, 10, 20, 41, 59, 82, 118, 164, 205, 236, 295, 410, 590, 809, 820, 1180, 1618, 2419, 3236, 4045, 4838, 8090, 9676, 12095, 16180, 24190, 33169, 47731, 48380, 66338, 95462, 132676, 165845, 190924, 238655, 331690, 477310, 663380, 954620, 1956971, 3913942, 7827884, 9784855, 19569710, 39139420]

約数ペア:

[(1, 39139420), (2, 19569710), (4, 9784855), (5, 7827884), (10, 3913942), (20, 1956971), (41, 954620), (59, 663380), (82, 477310), (118, 331690), (164, 238655), (205, 190924), (236, 165845), (295, 132676), (410, 95462), (590, 66338), (809, 48380), (820, 47731), (1180, 33169), (1618, 24190), (2419, 16180), (3236, 12095), (4045, 9676), (4838, 8090)]