15696830525

素因数分解:

$5^2\times {\mathrm{19}}^2\times {\mathrm{41}}^1\times {\mathrm{59}}^1\times {\mathrm{719}}^1$

素因数の和:867

約数の個数: 72

約数和(自身を含む): 21429878400

約数和(自身を除く): 5733047875

約数列:

[1, 5, 19, 25, 41, 59, 95, 205, 295, 361, 475, 719, 779, 1025, 1121, 1475, 1805, 2419, 3595, 3895, 5605, 9025, 12095, 13661, 14801, 17975, 19475, 21299, 28025, 29479, 42421, 45961, 60475, 68305, 74005, 106495, 147395, 212105, 229805, 259559, 341525, 370025, 532475, 560101, 736975, 805999, 873259, 1060525, 1149025, 1297795, 1739261, 2800505, 4029995, 4366295, 6488975, 8696305, 10641919, 14002525, 15313981, 20149975, 21831475, 33045959, 43481525, 53209595, 76569905, 165229795, 266047975, 382849525, 627873221, 826148975, 3139366105, 15696830525]

約数ペア:

[(1, 15696830525), (5, 3139366105), (19, 826148975), (25, 627873221), (41, 382849525), (59, 266047975), (95, 165229795), (205, 76569905), (295, 53209595), (361, 43481525), (475, 33045959), (719, 21831475), (779, 20149975), (1025, 15313981), (1121, 14002525), (1475, 10641919), (1805, 8696305), (2419, 6488975), (3595, 4366295), (3895, 4029995), (5605, 2800505), (9025, 1739261), (12095, 1297795), (13661, 1149025), (14801, 1060525), (17975, 873259), (19475, 805999), (21299, 736975), (28025, 560101), (29479, 532475), (42421, 370025), (45961, 341525), (60475, 259559), (68305, 229805), (74005, 212105), (106495, 147395)]