25191430

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{53}}^1\times {\mathrm{149}}^1$

素因数の和:249

約数の個数: 64

約数和(自身を含む): 52488000

約数和(自身を除く): 27296570

約数列:

[1, 2, 5, 10, 11, 22, 29, 53, 55, 58, 106, 110, 145, 149, 265, 290, 298, 319, 530, 583, 638, 745, 1166, 1490, 1537, 1595, 1639, 2915, 3074, 3190, 3278, 4321, 5830, 7685, 7897, 8195, 8642, 15370, 15794, 16390, 16907, 21605, 33814, 39485, 43210, 47531, 78970, 84535, 86867, 95062, 169070, 173734, 229013, 237655, 434335, 458026, 475310, 868670, 1145065, 2290130, 2519143, 5038286, 12595715, 25191430]

約数ペア:

[(1, 25191430), (2, 12595715), (5, 5038286), (10, 2519143), (11, 2290130), (22, 1145065), (29, 868670), (53, 475310), (55, 458026), (58, 434335), (106, 237655), (110, 229013), (145, 173734), (149, 169070), (265, 95062), (290, 86867), (298, 84535), (319, 78970), (530, 47531), (583, 43210), (638, 39485), (745, 33814), (1166, 21605), (1490, 16907), (1537, 16390), (1595, 15794), (1639, 15370), (2915, 8642), (3074, 8195), (3190, 7897), (3278, 7685), (4321, 5830)]