40818460

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{163}}^1\times {\mathrm{659}}^1$

素因数の和:850

約数の個数: 48

約数和(自身を含む): 90921600

約数和(自身を除く): 50103140

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 163, 190, 326, 380, 652, 659, 815, 1318, 1630, 2636, 3097, 3260, 3295, 6194, 6590, 12388, 12521, 13180, 15485, 25042, 30970, 50084, 61940, 62605, 107417, 125210, 214834, 250420, 429668, 537085, 1074170, 2040923, 2148340, 4081846, 8163692, 10204615, 20409230, 40818460]

約数ペア:

[(1, 40818460), (2, 20409230), (4, 10204615), (5, 8163692), (10, 4081846), (19, 2148340), (20, 2040923), (38, 1074170), (76, 537085), (95, 429668), (163, 250420), (190, 214834), (326, 125210), (380, 107417), (652, 62605), (659, 61940), (815, 50084), (1318, 30970), (1630, 25042), (2636, 15485), (3097, 13180), (3260, 12521), (3295, 12388), (6194, 6590)]