40115384

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{41}}^2\times {\mathrm{157}}^1$

素因数の和:264

約数の個数: 48

約数和(自身を含む): 81670200

約数和(自身を除く): 41554816

約数列:

[1, 2, 4, 8, 19, 38, 41, 76, 82, 152, 157, 164, 314, 328, 628, 779, 1256, 1558, 1681, 2983, 3116, 3362, 5966, 6232, 6437, 6724, 11932, 12874, 13448, 23864, 25748, 31939, 51496, 63878, 122303, 127756, 244606, 255512, 263917, 489212, 527834, 978424, 1055668, 2111336, 5014423, 10028846, 20057692, 40115384]

約数ペア:

[(1, 40115384), (2, 20057692), (4, 10028846), (8, 5014423), (19, 2111336), (38, 1055668), (41, 978424), (76, 527834), (82, 489212), (152, 263917), (157, 255512), (164, 244606), (314, 127756), (328, 122303), (628, 63878), (779, 51496), (1256, 31939), (1558, 25748), (1681, 23864), (2983, 13448), (3116, 12874), (3362, 11932), (5966, 6724), (6232, 6437)]