About the Number

40020870

40020869 ← → 40020871

2進数表記:10011000101010101110000110

漢数字表記:四千二万八百七十

素因数分解:

2 1 × 3 1 × 5 1 × 29 1 × 157 1 × 293 1

素因数の和:489
約数の個数: 64
約数和(自身を含む): 100336320
約数和(自身を除く): 60315450

約数列:
[1, 2, 3, 5, 6, 10, 15, 29, 30, 58, 87, 145, 157, 174, 290, 293, 314, 435, 471, 586, 785, 870, 879, 942, 1465, 1570, 1758, 2355, 2930, 4395, 4553, 4710, 8497, 8790, 9106, 13659, 16994, 22765, 25491, 27318, 42485, 45530, 46001, 50982, 68295, 84970, 92002, 127455, 136590, 138003, 230005, 254910, 276006, 460010, 690015, 1334029, 1380030, 2668058, 4002087, 6670145, 8004174, 13340290, 20010435, 40020870]

約数ペア:
[(1, 40020870), (2, 20010435), (3, 13340290), (5, 8004174), (6, 6670145), (10, 4002087), (15, 2668058), (29, 1380030), (30, 1334029), (58, 690015), (87, 460010), (145, 276006), (157, 254910), (174, 230005), (290, 138003), (293, 136590), (314, 127455), (435, 92002), (471, 84970), (586, 68295), (785, 50982), (870, 46001), (879, 45530), (942, 42485), (1465, 27318), (1570, 25491), (1758, 22765), (2355, 16994), (2930, 13659), (4395, 9106), (4553, 8790), (4710, 8497)]

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