100399025

素因数分解:

$5^2\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{10271}}^1$

素因数の和:10321

約数の個数: 24

約数和(自身を含む): 137562624

約数和(自身を除く): 37163599

約数列:

[1, 5, 17, 23, 25, 85, 115, 391, 425, 575, 1955, 9775, 10271, 51355, 174607, 236233, 256775, 873035, 1181165, 4015961, 4365175, 5905825, 20079805, 100399025]

約数ペア:

[(1, 100399025), (5, 20079805), (17, 5905825), (23, 4365175), (25, 4015961), (85, 1181165), (115, 873035), (391, 256775), (425, 236233), (575, 174607), (1955, 51355), (9775, 10271)]