28205121620

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{809}}^1\times {\mathrm{134093}}^1$

素因数の和:134924

約数の個数: 48

約数和(自身を含む): 63866290320

約数和(自身を除く): 35661168700

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 809, 1618, 3236, 4045, 8090, 10517, 16180, 21034, 42068, 52585, 105170, 134093, 210340, 268186, 536372, 670465, 1340930, 1743209, 2681860, 3486418, 6972836, 8716045, 17432090, 34864180, 108481237, 216962474, 433924948, 542406185, 1084812370, 1410256081, 2169624740, 2820512162, 5641024324, 7051280405, 14102560810, 28205121620]

約数ペア:

[(1, 28205121620), (2, 14102560810), (4, 7051280405), (5, 5641024324), (10, 2820512162), (13, 2169624740), (20, 1410256081), (26, 1084812370), (52, 542406185), (65, 433924948), (130, 216962474), (260, 108481237), (809, 34864180), (1618, 17432090), (3236, 8716045), (4045, 6972836), (8090, 3486418), (10517, 2681860), (16180, 1743209), (21034, 1340930), (42068, 670465), (52585, 536372), (105170, 268186), (134093, 210340)]