42001456

素因数分解:

$2^4\times 7^1\times {\mathrm{47}}^1\times {\mathrm{79}}^1\times {\mathrm{101}}^1$

素因数の和:242

約数の個数: 80

約数和(自身を含む): 97136640

約数和(自身を除く): 55135184

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 47, 56, 79, 94, 101, 112, 158, 188, 202, 316, 329, 376, 404, 553, 632, 658, 707, 752, 808, 1106, 1264, 1316, 1414, 1616, 2212, 2632, 2828, 3713, 4424, 4747, 5264, 5656, 7426, 7979, 8848, 9494, 11312, 14852, 15958, 18988, 25991, 29704, 31916, 33229, 37976, 51982, 55853, 59408, 63832, 66458, 75952, 103964, 111706, 127664, 132916, 207928, 223412, 265832, 375013, 415856, 446824, 531664, 750026, 893648, 1500052, 2625091, 3000104, 5250182, 6000208, 10500364, 21000728, 42001456]

約数ペア:

[(1, 42001456), (2, 21000728), (4, 10500364), (7, 6000208), (8, 5250182), (14, 3000104), (16, 2625091), (28, 1500052), (47, 893648), (56, 750026), (79, 531664), (94, 446824), (101, 415856), (112, 375013), (158, 265832), (188, 223412), (202, 207928), (316, 132916), (329, 127664), (376, 111706), (404, 103964), (553, 75952), (632, 66458), (658, 63832), (707, 59408), (752, 55853), (808, 51982), (1106, 37976), (1264, 33229), (1316, 31916), (1414, 29704), (1616, 25991), (2212, 18988), (2632, 15958), (2828, 14852), (3713, 11312), (4424, 9494), (4747, 8848), (5264, 7979), (5656, 7426)]