40864980

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{52391}}^1$

素因数の和:52416

約数の個数: 48

約数和(自身を含む): 123225984

約数和(自身を除く): 82361004

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 156, 195, 260, 390, 780, 52391, 104782, 157173, 209564, 261955, 314346, 523910, 628692, 681083, 785865, 1047820, 1362166, 1571730, 2043249, 2724332, 3143460, 3405415, 4086498, 6810830, 8172996, 10216245, 13621660, 20432490, 40864980]

約数ペア:

[(1, 40864980), (2, 20432490), (3, 13621660), (4, 10216245), (5, 8172996), (6, 6810830), (10, 4086498), (12, 3405415), (13, 3143460), (15, 2724332), (20, 2043249), (26, 1571730), (30, 1362166), (39, 1047820), (52, 785865), (60, 681083), (65, 628692), (78, 523910), (130, 314346), (156, 261955), (195, 209564), (260, 157173), (390, 104782), (780, 52391)]