20130469925

素因数分解:

$5^2\times {\mathrm{67}}^1\times {\mathrm{79}}^1\times {\mathrm{149}}^1\times {\mathrm{1021}}^1$

素因数の和:1326

約数の個数: 48

約数和(自身を含む): 25852512000

約数和(自身を除く): 5722042075

約数列:

[1, 5, 25, 67, 79, 149, 335, 395, 745, 1021, 1675, 1975, 3725, 5105, 5293, 9983, 11771, 25525, 26465, 49915, 58855, 68407, 80659, 132325, 152129, 249575, 294275, 342035, 403295, 760645, 788657, 1710175, 2016475, 3803225, 3943285, 5404153, 10192643, 12018191, 19716425, 27020765, 50963215, 60090955, 135103825, 254816075, 300454775, 805218797, 4026093985, 20130469925]

約数ペア:

[(1, 20130469925), (5, 4026093985), (25, 805218797), (67, 300454775), (79, 254816075), (149, 135103825), (335, 60090955), (395, 50963215), (745, 27020765), (1021, 19716425), (1675, 12018191), (1975, 10192643), (3725, 5404153), (5105, 3943285), (5293, 3803225), (9983, 2016475), (11771, 1710175), (25525, 788657), (26465, 760645), (49915, 403295), (58855, 342035), (68407, 294275), (80659, 249575), (132325, 152129)]