16403779820

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{359}}^1\times {\mathrm{78781}}^1$

素因数の和:79178

約数の個数: 48

約数和(自身を含む): 35735515200

約数和(自身を除く): 19331735380

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 116, 145, 290, 359, 580, 718, 1436, 1795, 3590, 7180, 10411, 20822, 41644, 52055, 78781, 104110, 157562, 208220, 315124, 393905, 787810, 1575620, 2284649, 4569298, 9138596, 11423245, 22846490, 28282379, 45692980, 56564758, 113129516, 141411895, 282823790, 565647580, 820188991, 1640377982, 3280755964, 4100944955, 8201889910, 16403779820]

約数ペア:

[(1, 16403779820), (2, 8201889910), (4, 4100944955), (5, 3280755964), (10, 1640377982), (20, 820188991), (29, 565647580), (58, 282823790), (116, 141411895), (145, 113129516), (290, 56564758), (359, 45692980), (580, 28282379), (718, 22846490), (1436, 11423245), (1795, 9138596), (3590, 4569298), (7180, 2284649), (10411, 1575620), (20822, 787810), (41644, 393905), (52055, 315124), (78781, 208220), (104110, 157562)]