20100794090

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{47}}^1\times {\mathrm{253063}}^1$

素因数の和:253143

約数の個数: 48

約数和(自身を含む): 40012455168

約数和(自身を除く): 19911661078

約数列:

[1, 2, 5, 10, 13, 26, 47, 65, 94, 130, 169, 235, 338, 470, 611, 845, 1222, 1690, 3055, 6110, 7943, 15886, 39715, 79430, 253063, 506126, 1265315, 2530630, 3289819, 6579638, 11893961, 16449095, 23787922, 32898190, 42767647, 59469805, 85535294, 118939610, 154621493, 213838235, 309242986, 427676470, 773107465, 1546214930, 2010079409, 4020158818, 10050397045, 20100794090]

約数ペア:

[(1, 20100794090), (2, 10050397045), (5, 4020158818), (10, 2010079409), (13, 1546214930), (26, 773107465), (47, 427676470), (65, 309242986), (94, 213838235), (130, 154621493), (169, 118939610), (235, 85535294), (338, 59469805), (470, 42767647), (611, 32898190), (845, 23787922), (1222, 16449095), (1690, 11893961), (3055, 6579638), (6110, 3289819), (7943, 2530630), (15886, 1265315), (39715, 506126), (79430, 253063)]