89665840

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^2\times {\mathrm{59}}^1\times {\mathrm{157}}^1$

素因数の和:251

約数の個数: 120

約数和(自身を含む): 234516240

約数和(自身を除く): 144850400

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 59, 80, 88, 110, 118, 121, 157, 176, 220, 236, 242, 295, 314, 440, 472, 484, 590, 605, 628, 649, 785, 880, 944, 968, 1180, 1210, 1256, 1298, 1570, 1727, 1936, 2360, 2420, 2512, 2596, 3140, 3245, 3454, 4720, 4840, 5192, 6280, 6490, 6908, 7139, 8635, 9263, 9680, 10384, 12560, 12980, 13816, 14278, 17270, 18526, 18997, 25960, 27632, 28556, 34540, 35695, 37052, 37994, 46315, 51920, 57112, 69080, 71390, 74104, 75988, 92630, 94985, 101893, 114224, 138160, 142780, 148208, 151976, 185260, 189970, 203786, 285560, 303952, 370520, 379940, 407572, 509465, 571120, 741040, 759880, 815144, 1018930, 1120823, 1519760, 1630288, 2037860, 2241646, 4075720, 4483292, 5604115, 8151440, 8966584, 11208230, 17933168, 22416460, 44832920, 89665840]

約数ペア:

[(1, 89665840), (2, 44832920), (4, 22416460), (5, 17933168), (8, 11208230), (10, 8966584), (11, 8151440), (16, 5604115), (20, 4483292), (22, 4075720), (40, 2241646), (44, 2037860), (55, 1630288), (59, 1519760), (80, 1120823), (88, 1018930), (110, 815144), (118, 759880), (121, 741040), (157, 571120), (176, 509465), (220, 407572), (236, 379940), (242, 370520), (295, 303952), (314, 285560), (440, 203786), (472, 189970), (484, 185260), (590, 151976), (605, 148208), (628, 142780), (649, 138160), (785, 114224), (880, 101893), (944, 94985), (968, 92630), (1180, 75988), (1210, 74104), (1256, 71390), (1298, 69080), (1570, 57112), (1727, 51920), (1936, 46315), (2360, 37994), (2420, 37052), (2512, 35695), (2596, 34540), (3140, 28556), (3245, 27632), (3454, 25960), (4720, 18997), (4840, 18526), (5192, 17270), (6280, 14278), (6490, 13816), (6908, 12980), (7139, 12560), (8635, 10384), (9263, 9680)]