20071210900

素因数分解:

$2^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{97}}^1\times {\mathrm{159169}}^1$

素因数の和:159293

約数の個数: 72

約数和(自身を含む): 47388729080

約数和(自身を除く): 27317518180

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 50, 52, 65, 97, 100, 130, 194, 260, 325, 388, 485, 650, 970, 1261, 1300, 1940, 2425, 2522, 4850, 5044, 6305, 9700, 12610, 25220, 31525, 63050, 126100, 159169, 318338, 636676, 795845, 1591690, 2069197, 3183380, 3979225, 4138394, 7958450, 8276788, 10345985, 15439393, 15916900, 20691970, 30878786, 41383940, 51729925, 61757572, 77196965, 103459850, 154393930, 200712109, 206919700, 308787860, 385984825, 401424218, 771969650, 802848436, 1003560545, 1543939300, 2007121090, 4014242180, 5017802725, 10035605450, 20071210900]

約数ペア:

[(1, 20071210900), (2, 10035605450), (4, 5017802725), (5, 4014242180), (10, 2007121090), (13, 1543939300), (20, 1003560545), (25, 802848436), (26, 771969650), (50, 401424218), (52, 385984825), (65, 308787860), (97, 206919700), (100, 200712109), (130, 154393930), (194, 103459850), (260, 77196965), (325, 61757572), (388, 51729925), (485, 41383940), (650, 30878786), (970, 20691970), (1261, 15916900), (1300, 15439393), (1940, 10345985), (2425, 8276788), (2522, 7958450), (4850, 4138394), (5044, 3979225), (6305, 3183380), (9700, 2069197), (12610, 1591690), (25220, 795845), (31525, 636676), (63050, 318338), (126100, 159169)]