1661573180

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{167}}^1\times {\mathrm{26183}}^1$

素因数の和:26378

約数の個数: 48

約数和(自身を含む): 3695086080

約数和(自身を除く): 2033512900

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 167, 190, 334, 380, 668, 835, 1670, 3173, 3340, 6346, 12692, 15865, 26183, 31730, 52366, 63460, 104732, 130915, 261830, 497477, 523660, 994954, 1989908, 2487385, 4372561, 4974770, 8745122, 9949540, 17490244, 21862805, 43725610, 83078659, 87451220, 166157318, 332314636, 415393295, 830786590, 1661573180]

約数ペア:

[(1, 1661573180), (2, 830786590), (4, 415393295), (5, 332314636), (10, 166157318), (19, 87451220), (20, 83078659), (38, 43725610), (76, 21862805), (95, 17490244), (167, 9949540), (190, 8745122), (334, 4974770), (380, 4372561), (668, 2487385), (835, 1989908), (1670, 994954), (3173, 523660), (3340, 497477), (6346, 261830), (12692, 130915), (15865, 104732), (26183, 63460), (31730, 52366)]