13381940

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{4679}}^1$

素因数の和:4712

約数の個数: 48

約数和(自身を含む): 33022080

約数和(自身を除く): 19640140

約数列:

[1, 2, 4, 5, 10, 11, 13, 20, 22, 26, 44, 52, 55, 65, 110, 130, 143, 220, 260, 286, 572, 715, 1430, 2860, 4679, 9358, 18716, 23395, 46790, 51469, 60827, 93580, 102938, 121654, 205876, 243308, 257345, 304135, 514690, 608270, 669097, 1029380, 1216540, 1338194, 2676388, 3345485, 6690970, 13381940]

約数ペア:

[(1, 13381940), (2, 6690970), (4, 3345485), (5, 2676388), (10, 1338194), (11, 1216540), (13, 1029380), (20, 669097), (22, 608270), (26, 514690), (44, 304135), (52, 257345), (55, 243308), (65, 205876), (110, 121654), (130, 102938), (143, 93580), (220, 60827), (260, 51469), (286, 46790), (572, 23395), (715, 18716), (1430, 9358), (2860, 4679)]