173865640

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{257}}^1\times {\mathrm{1301}}^1$

素因数の和:1582

約数の個数: 64

約数和(自身を含む): 423254160

約数和(自身を除く): 249388520

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 257, 260, 514, 520, 1028, 1285, 1301, 2056, 2570, 2602, 3341, 5140, 5204, 6505, 6682, 10280, 10408, 13010, 13364, 16705, 16913, 26020, 26728, 33410, 33826, 52040, 66820, 67652, 84565, 133640, 135304, 169130, 334357, 338260, 668714, 676520, 1337428, 1671785, 2674856, 3343570, 4346641, 6687140, 8693282, 13374280, 17386564, 21733205, 34773128, 43466410, 86932820, 173865640]

約数ペア:

[(1, 173865640), (2, 86932820), (4, 43466410), (5, 34773128), (8, 21733205), (10, 17386564), (13, 13374280), (20, 8693282), (26, 6687140), (40, 4346641), (52, 3343570), (65, 2674856), (104, 1671785), (130, 1337428), (257, 676520), (260, 668714), (514, 338260), (520, 334357), (1028, 169130), (1285, 135304), (1301, 133640), (2056, 84565), (2570, 67652), (2602, 66820), (3341, 52040), (5140, 33826), (5204, 33410), (6505, 26728), (6682, 26020), (10280, 16913), (10408, 16705), (13010, 13364)]