25152010

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{599}}^1$

素因数の和:655

約数の個数: 64

約数和(自身を含む): 54432000

約数和(自身を除く): 29279990

約数列:

[1, 2, 5, 10, 13, 17, 19, 26, 34, 38, 65, 85, 95, 130, 170, 190, 221, 247, 323, 442, 494, 599, 646, 1105, 1198, 1235, 1615, 2210, 2470, 2995, 3230, 4199, 5990, 7787, 8398, 10183, 11381, 15574, 20366, 20995, 22762, 38935, 41990, 50915, 56905, 77870, 101830, 113810, 132379, 147953, 193477, 264758, 295906, 386954, 661895, 739765, 967385, 1323790, 1479530, 1934770, 2515201, 5030402, 12576005, 25152010]

約数ペア:

[(1, 25152010), (2, 12576005), (5, 5030402), (10, 2515201), (13, 1934770), (17, 1479530), (19, 1323790), (26, 967385), (34, 739765), (38, 661895), (65, 386954), (85, 295906), (95, 264758), (130, 193477), (170, 147953), (190, 132379), (221, 113810), (247, 101830), (323, 77870), (442, 56905), (494, 50915), (599, 41990), (646, 38935), (1105, 22762), (1198, 20995), (1235, 20366), (1615, 15574), (2210, 11381), (2470, 10183), (2995, 8398), (3230, 7787), (4199, 5990)]