40982500

素因数分解:

$2^2\times 5^4\times {\mathrm{13}}^2\times {\mathrm{97}}^1$

素因数の和:147

約数の個数: 90

約数和(自身を含む): 98045178

約数和(自身を除く): 57062678

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 50, 52, 65, 97, 100, 125, 130, 169, 194, 250, 260, 325, 338, 388, 485, 500, 625, 650, 676, 845, 970, 1250, 1261, 1300, 1625, 1690, 1940, 2425, 2500, 2522, 3250, 3380, 4225, 4850, 5044, 6305, 6500, 8125, 8450, 9700, 12125, 12610, 16250, 16393, 16900, 21125, 24250, 25220, 31525, 32500, 32786, 42250, 48500, 60625, 63050, 65572, 81965, 84500, 105625, 121250, 126100, 157625, 163930, 211250, 242500, 315250, 327860, 409825, 422500, 630500, 788125, 819650, 1576250, 1639300, 2049125, 3152500, 4098250, 8196500, 10245625, 20491250, 40982500]

約数ペア:

[(1, 40982500), (2, 20491250), (4, 10245625), (5, 8196500), (10, 4098250), (13, 3152500), (20, 2049125), (25, 1639300), (26, 1576250), (50, 819650), (52, 788125), (65, 630500), (97, 422500), (100, 409825), (125, 327860), (130, 315250), (169, 242500), (194, 211250), (250, 163930), (260, 157625), (325, 126100), (338, 121250), (388, 105625), (485, 84500), (500, 81965), (625, 65572), (650, 63050), (676, 60625), (845, 48500), (970, 42250), (1250, 32786), (1261, 32500), (1300, 31525), (1625, 25220), (1690, 24250), (1940, 21125), (2425, 16900), (2500, 16393), (2522, 16250), (3250, 12610), (3380, 12125), (4225, 9700), (4850, 8450), (5044, 8125), (6305, 6500)]