30796720

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{20261}}^1$

素因数の和:20293

約数の個数: 40

約数和(自身を含む): 75374640

約数和(自身を除く): 44577920

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 152, 190, 304, 380, 760, 1520, 20261, 40522, 81044, 101305, 162088, 202610, 324176, 384959, 405220, 769918, 810440, 1539836, 1620880, 1924795, 3079672, 3849590, 6159344, 7699180, 15398360, 30796720]

約数ペア:

[(1, 30796720), (2, 15398360), (4, 7699180), (5, 6159344), (8, 3849590), (10, 3079672), (16, 1924795), (19, 1620880), (20, 1539836), (38, 810440), (40, 769918), (76, 405220), (80, 384959), (95, 324176), (152, 202610), (190, 162088), (304, 101305), (380, 81044), (760, 40522), (1520, 20261)]