38755720

素因数分解:

$2^3\times 5^1\times {\mathrm{53}}^1\times {\mathrm{101}}^1\times {\mathrm{181}}^1$

素因数の和:346

約数の個数: 64

約数和(自身を含む): 90221040

約数和(自身を除く): 51465320

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 53, 101, 106, 181, 202, 212, 265, 362, 404, 424, 505, 530, 724, 808, 905, 1010, 1060, 1448, 1810, 2020, 2120, 3620, 4040, 5353, 7240, 9593, 10706, 18281, 19186, 21412, 26765, 36562, 38372, 42824, 47965, 53530, 73124, 76744, 91405, 95930, 107060, 146248, 182810, 191860, 214120, 365620, 383720, 731240, 968893, 1937786, 3875572, 4844465, 7751144, 9688930, 19377860, 38755720]

約数ペア:

[(1, 38755720), (2, 19377860), (4, 9688930), (5, 7751144), (8, 4844465), (10, 3875572), (20, 1937786), (40, 968893), (53, 731240), (101, 383720), (106, 365620), (181, 214120), (202, 191860), (212, 182810), (265, 146248), (362, 107060), (404, 95930), (424, 91405), (505, 76744), (530, 73124), (724, 53530), (808, 47965), (905, 42824), (1010, 38372), (1060, 36562), (1448, 26765), (1810, 21412), (2020, 19186), (2120, 18281), (3620, 10706), (4040, 9593), (5353, 7240)]