28920032860

素因数分解:

$2^2\times 5^1\times {\mathrm{173}}^1\times {\mathrm{461}}^1\times {\mathrm{18131}}^1$

素因数の和:18774

約数の個数: 48

約数和(自身を含む): 61218999072

約数和(自身を除く): 32298966212

約数列:

[1, 2, 4, 5, 10, 20, 173, 346, 461, 692, 865, 922, 1730, 1844, 2305, 3460, 4610, 9220, 18131, 36262, 72524, 79753, 90655, 159506, 181310, 319012, 362620, 398765, 797530, 1595060, 3136663, 6273326, 8358391, 12546652, 15683315, 16716782, 31366630, 33433564, 41791955, 62733260, 83583910, 167167820, 1446001643, 2892003286, 5784006572, 7230008215, 14460016430, 28920032860]

約数ペア:

[(1, 28920032860), (2, 14460016430), (4, 7230008215), (5, 5784006572), (10, 2892003286), (20, 1446001643), (173, 167167820), (346, 83583910), (461, 62733260), (692, 41791955), (865, 33433564), (922, 31366630), (1730, 16716782), (1844, 15683315), (2305, 12546652), (3460, 8358391), (4610, 6273326), (9220, 3136663), (18131, 1595060), (36262, 797530), (72524, 398765), (79753, 362620), (90655, 319012), (159506, 181310)]