68305360

素因数分解:

$2^4\times 5^1\times {\mathrm{61}}^1\times {\mathrm{13997}}^1$

素因数の和:14071

約数の個数: 40

約数和(自身を含む): 161424936

約数和(自身を除く): 93119576

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 61, 80, 122, 244, 305, 488, 610, 976, 1220, 2440, 4880, 13997, 27994, 55988, 69985, 111976, 139970, 223952, 279940, 559880, 853817, 1119760, 1707634, 3415268, 4269085, 6830536, 8538170, 13661072, 17076340, 34152680, 68305360]

約数ペア:

[(1, 68305360), (2, 34152680), (4, 17076340), (5, 13661072), (8, 8538170), (10, 6830536), (16, 4269085), (20, 3415268), (40, 1707634), (61, 1119760), (80, 853817), (122, 559880), (244, 279940), (305, 223952), (488, 139970), (610, 111976), (976, 69985), (1220, 55988), (2440, 27994), (4880, 13997)]