52718920

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{977}}^1$

素因数の和:1078

約数の個数: 64

約数和(自身を含む): 126748800

約数和(自身を除く): 74029880

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 71, 76, 95, 142, 152, 190, 284, 355, 380, 568, 710, 760, 977, 1349, 1420, 1954, 2698, 2840, 3908, 4885, 5396, 6745, 7816, 9770, 10792, 13490, 18563, 19540, 26980, 37126, 39080, 53960, 69367, 74252, 92815, 138734, 148504, 185630, 277468, 346835, 371260, 554936, 693670, 742520, 1317973, 1387340, 2635946, 2774680, 5271892, 6589865, 10543784, 13179730, 26359460, 52718920]

約数ペア:

[(1, 52718920), (2, 26359460), (4, 13179730), (5, 10543784), (8, 6589865), (10, 5271892), (19, 2774680), (20, 2635946), (38, 1387340), (40, 1317973), (71, 742520), (76, 693670), (95, 554936), (142, 371260), (152, 346835), (190, 277468), (284, 185630), (355, 148504), (380, 138734), (568, 92815), (710, 74252), (760, 69367), (977, 53960), (1349, 39080), (1420, 37126), (1954, 26980), (2698, 19540), (2840, 18563), (3908, 13490), (4885, 10792), (5396, 9770), (6745, 7816)]