42978160

素因数分解:

$2^4\times 5^1\times {\mathrm{61}}^1\times {\mathrm{8807}}^1$

素因数の和:8881

約数の個数: 40

約数和(自身を含む): 101573856

約数和(自身を除く): 58595696

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 61, 80, 122, 244, 305, 488, 610, 976, 1220, 2440, 4880, 8807, 17614, 35228, 44035, 70456, 88070, 140912, 176140, 352280, 537227, 704560, 1074454, 2148908, 2686135, 4297816, 5372270, 8595632, 10744540, 21489080, 42978160]

約数ペア:

[(1, 42978160), (2, 21489080), (4, 10744540), (5, 8595632), (8, 5372270), (10, 4297816), (16, 2686135), (20, 2148908), (40, 1074454), (61, 704560), (80, 537227), (122, 352280), (244, 176140), (305, 140912), (488, 88070), (610, 70456), (976, 44035), (1220, 35228), (2440, 17614), (4880, 8807)]