40128738

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{571}}^1$

素因数の和:659

約数の個数: 64

約数和(自身を含む): 93405312

約数和(自身を除く): 53276574

約数列:

[1, 2, 3, 6, 13, 17, 26, 34, 39, 51, 53, 78, 102, 106, 159, 221, 318, 442, 571, 663, 689, 901, 1142, 1326, 1378, 1713, 1802, 2067, 2703, 3426, 4134, 5406, 7423, 9707, 11713, 14846, 19414, 22269, 23426, 29121, 30263, 35139, 44538, 58242, 60526, 70278, 90789, 126191, 181578, 252382, 378573, 393419, 514471, 757146, 786838, 1028942, 1180257, 1543413, 2360514, 3086826, 6688123, 13376246, 20064369, 40128738]

約数ペア:

[(1, 40128738), (2, 20064369), (3, 13376246), (6, 6688123), (13, 3086826), (17, 2360514), (26, 1543413), (34, 1180257), (39, 1028942), (51, 786838), (53, 757146), (78, 514471), (102, 393419), (106, 378573), (159, 252382), (221, 181578), (318, 126191), (442, 90789), (571, 70278), (663, 60526), (689, 58242), (901, 44538), (1142, 35139), (1326, 30263), (1378, 29121), (1713, 23426), (1802, 22269), (2067, 19414), (2703, 14846), (3426, 11713), (4134, 9707), (5406, 7423)]