22726360

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{73}}^1\times {\mathrm{181}}^1$

素因数の和:308

約数の個数: 64

約数和(自身を含む): 53333280

約数和(自身を除く): 30606920

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 73, 86, 146, 172, 181, 215, 292, 344, 362, 365, 430, 584, 724, 730, 860, 905, 1448, 1460, 1720, 1810, 2920, 3139, 3620, 6278, 7240, 7783, 12556, 13213, 15566, 15695, 25112, 26426, 31132, 31390, 38915, 52852, 62264, 62780, 66065, 77830, 105704, 125560, 132130, 155660, 264260, 311320, 528520, 568159, 1136318, 2272636, 2840795, 4545272, 5681590, 11363180, 22726360]

約数ペア:

[(1, 22726360), (2, 11363180), (4, 5681590), (5, 4545272), (8, 2840795), (10, 2272636), (20, 1136318), (40, 568159), (43, 528520), (73, 311320), (86, 264260), (146, 155660), (172, 132130), (181, 125560), (215, 105704), (292, 77830), (344, 66065), (362, 62780), (365, 62264), (430, 52852), (584, 38915), (724, 31390), (730, 31132), (860, 26426), (905, 25112), (1448, 15695), (1460, 15566), (1720, 13213), (1810, 12556), (2920, 7783), (3139, 7240), (3620, 6278)]