400018049344

素因数分解:

$2^6\times {\mathrm{1249}}^1\times {\mathrm{1861}}^1\times {\mathrm{2689}}^1$

素因数の和:5811

約数の個数: 56

約数和(自身を含む): 795143825000

約数和(自身を除く): 395125775656

約数列:

[1, 2, 4, 8, 16, 32, 64, 1249, 1861, 2498, 2689, 3722, 4996, 5378, 7444, 9992, 10756, 14888, 19984, 21512, 29776, 39968, 43024, 59552, 79936, 86048, 119104, 172096, 2324389, 3358561, 4648778, 5004229, 6717122, 9297556, 10008458, 13434244, 18595112, 20016916, 26868488, 37190224, 40033832, 53736976, 74380448, 80067664, 107473952, 148760896, 160135328, 214947904, 320270656, 6250282021, 12500564042, 25001128084, 50002256168, 100004512336, 200009024672, 400018049344]

約数ペア:

[(1, 400018049344), (2, 200009024672), (4, 100004512336), (8, 50002256168), (16, 25001128084), (32, 12500564042), (64, 6250282021), (1249, 320270656), (1861, 214947904), (2498, 160135328), (2689, 148760896), (3722, 107473952), (4996, 80067664), (5378, 74380448), (7444, 53736976), (9992, 40033832), (10756, 37190224), (14888, 26868488), (19984, 20016916), (21512, 18595112), (29776, 13434244), (39968, 10008458), (43024, 9297556), (59552, 6717122), (79936, 5004229), (86048, 4648778), (119104, 3358561), (172096, 2324389)]