25211290

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{173}}^1$

素因数の和:271

約数の個数: 64

約数和(自身を含む): 52617600

約数和(自身を除く): 27406310

約数列:

[1, 2, 5, 10, 13, 19, 26, 38, 59, 65, 95, 118, 130, 173, 190, 247, 295, 346, 494, 590, 767, 865, 1121, 1235, 1534, 1730, 2242, 2249, 2470, 3287, 3835, 4498, 5605, 6574, 7670, 10207, 11210, 11245, 14573, 16435, 20414, 22490, 29146, 32870, 42731, 51035, 72865, 85462, 102070, 132691, 145730, 193933, 213655, 265382, 387866, 427310, 663455, 969665, 1326910, 1939330, 2521129, 5042258, 12605645, 25211290]

約数ペア:

[(1, 25211290), (2, 12605645), (5, 5042258), (10, 2521129), (13, 1939330), (19, 1326910), (26, 969665), (38, 663455), (59, 427310), (65, 387866), (95, 265382), (118, 213655), (130, 193933), (173, 145730), (190, 132691), (247, 102070), (295, 85462), (346, 72865), (494, 51035), (590, 42731), (767, 32870), (865, 29146), (1121, 22490), (1235, 20414), (1534, 16435), (1730, 14573), (2242, 11245), (2249, 11210), (2470, 10207), (3287, 7670), (3835, 6574), (4498, 5605)]