28249000

素因数分解:

$2^3\times 5^3\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{53}}^1$

素因数の和:128

約数の個数: 128

約数和(自身を含む): 74299680

約数和(自身を除く): 46050680

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 25, 26, 40, 41, 50, 52, 53, 65, 82, 100, 104, 106, 125, 130, 164, 200, 205, 212, 250, 260, 265, 325, 328, 410, 424, 500, 520, 530, 533, 650, 689, 820, 1000, 1025, 1060, 1066, 1300, 1325, 1378, 1625, 1640, 2050, 2120, 2132, 2173, 2600, 2650, 2665, 2756, 3250, 3445, 4100, 4264, 4346, 5125, 5300, 5330, 5512, 6500, 6625, 6890, 8200, 8692, 10250, 10600, 10660, 10865, 13000, 13250, 13325, 13780, 17225, 17384, 20500, 21320, 21730, 26500, 26650, 27560, 28249, 34450, 41000, 43460, 53000, 53300, 54325, 56498, 66625, 68900, 86125, 86920, 106600, 108650, 112996, 133250, 137800, 141245, 172250, 217300, 225992, 266500, 271625, 282490, 344500, 434600, 533000, 543250, 564980, 689000, 706225, 1086500, 1129960, 1412450, 2173000, 2824900, 3531125, 5649800, 7062250, 14124500, 28249000]

約数ペア:

[(1, 28249000), (2, 14124500), (4, 7062250), (5, 5649800), (8, 3531125), (10, 2824900), (13, 2173000), (20, 1412450), (25, 1129960), (26, 1086500), (40, 706225), (41, 689000), (50, 564980), (52, 543250), (53, 533000), (65, 434600), (82, 344500), (100, 282490), (104, 271625), (106, 266500), (125, 225992), (130, 217300), (164, 172250), (200, 141245), (205, 137800), (212, 133250), (250, 112996), (260, 108650), (265, 106600), (325, 86920), (328, 86125), (410, 68900), (424, 66625), (500, 56498), (520, 54325), (530, 53300), (533, 53000), (650, 43460), (689, 41000), (820, 34450), (1000, 28249), (1025, 27560), (1060, 26650), (1066, 26500), (1300, 21730), (1325, 21320), (1378, 20500), (1625, 17384), (1640, 17225), (2050, 13780), (2120, 13325), (2132, 13250), (2173, 13000), (2600, 10865), (2650, 10660), (2665, 10600), (2756, 10250), (3250, 8692), (3445, 8200), (4100, 6890), (4264, 6625), (4346, 6500), (5125, 5512), (5300, 5330)]