23554540

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{61}}^1\times {\mathrm{449}}^1$

素因数の和:562

約数の個数: 48

約数和(自身を含む): 51559200

約数和(自身を除く): 28004660

約数列:

[1, 2, 4, 5, 10, 20, 43, 61, 86, 122, 172, 215, 244, 305, 430, 449, 610, 860, 898, 1220, 1796, 2245, 2623, 4490, 5246, 8980, 10492, 13115, 19307, 26230, 27389, 38614, 52460, 54778, 77228, 96535, 109556, 136945, 193070, 273890, 386140, 547780, 1177727, 2355454, 4710908, 5888635, 11777270, 23554540]

約数ペア:

[(1, 23554540), (2, 11777270), (4, 5888635), (5, 4710908), (10, 2355454), (20, 1177727), (43, 547780), (61, 386140), (86, 273890), (122, 193070), (172, 136945), (215, 109556), (244, 96535), (305, 77228), (430, 54778), (449, 52460), (610, 38614), (860, 27389), (898, 26230), (1220, 19307), (1796, 13115), (2245, 10492), (2623, 8980), (4490, 5246)]