25021100

素因数分解:

$2^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{1013}}^1$

素因数の和:1059

約数の個数: 72

約数和(自身を含む): 61610640

約数和(自身を除く): 36589540

約数列:

[1, 2, 4, 5, 10, 13, 19, 20, 25, 26, 38, 50, 52, 65, 76, 95, 100, 130, 190, 247, 260, 325, 380, 475, 494, 650, 950, 988, 1013, 1235, 1300, 1900, 2026, 2470, 4052, 4940, 5065, 6175, 10130, 12350, 13169, 19247, 20260, 24700, 25325, 26338, 38494, 50650, 52676, 65845, 76988, 96235, 101300, 131690, 192470, 250211, 263380, 329225, 384940, 481175, 500422, 658450, 962350, 1000844, 1251055, 1316900, 1924700, 2502110, 5004220, 6255275, 12510550, 25021100]

約数ペア:

[(1, 25021100), (2, 12510550), (4, 6255275), (5, 5004220), (10, 2502110), (13, 1924700), (19, 1316900), (20, 1251055), (25, 1000844), (26, 962350), (38, 658450), (50, 500422), (52, 481175), (65, 384940), (76, 329225), (95, 263380), (100, 250211), (130, 192470), (190, 131690), (247, 101300), (260, 96235), (325, 76988), (380, 65845), (475, 52676), (494, 50650), (650, 38494), (950, 26338), (988, 25325), (1013, 24700), (1235, 20260), (1300, 19247), (1900, 13169), (2026, 12350), (2470, 10130), (4052, 6175), (4940, 5065)]