1640673890

素因数分解:

$2^1\times 5^1\times {\mathrm{67}}^1\times {\mathrm{151}}^1\times {\mathrm{16217}}^1$

素因数の和:16442

約数の個数: 32

約数和(自身を含む): 3017326464

約数和(自身を除く): 1376652574

約数列:

[1, 2, 5, 10, 67, 134, 151, 302, 335, 670, 755, 1510, 10117, 16217, 20234, 32434, 50585, 81085, 101170, 162170, 1086539, 2173078, 2448767, 4897534, 5432695, 10865390, 12243835, 24487670, 164067389, 328134778, 820336945, 1640673890]

約数ペア:

[(1, 1640673890), (2, 820336945), (5, 328134778), (10, 164067389), (67, 24487670), (134, 12243835), (151, 10865390), (302, 5432695), (335, 4897534), (670, 2448767), (755, 2173078), (1510, 1086539), (10117, 162170), (16217, 101170), (20234, 81085), (32434, 50585)]