4080700

素因数分解:

$2^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{73}}^1$

素因数の和:143

約数の個数: 72

約数和(自身を含む): 9891728

約数和(自身を除く): 5811028

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 43, 50, 52, 65, 73, 86, 100, 130, 146, 172, 215, 260, 292, 325, 365, 430, 559, 650, 730, 860, 949, 1075, 1118, 1300, 1460, 1825, 1898, 2150, 2236, 2795, 3139, 3650, 3796, 4300, 4745, 5590, 6278, 7300, 9490, 11180, 12556, 13975, 15695, 18980, 23725, 27950, 31390, 40807, 47450, 55900, 62780, 78475, 81614, 94900, 156950, 163228, 204035, 313900, 408070, 816140, 1020175, 2040350, 4080700]

約数ペア:

[(1, 4080700), (2, 2040350), (4, 1020175), (5, 816140), (10, 408070), (13, 313900), (20, 204035), (25, 163228), (26, 156950), (43, 94900), (50, 81614), (52, 78475), (65, 62780), (73, 55900), (86, 47450), (100, 40807), (130, 31390), (146, 27950), (172, 23725), (215, 18980), (260, 15695), (292, 13975), (325, 12556), (365, 11180), (430, 9490), (559, 7300), (650, 6278), (730, 5590), (860, 4745), (949, 4300), (1075, 3796), (1118, 3650), (1300, 3139), (1460, 2795), (1825, 2236), (1898, 2150)]