About the Number

61021840

61021839 ← → 61021841

2進数表記:11101000110001111010010000

漢数字表記:六千百二万千八百四十

素因数分解:

2 4 × 5 1 × 11 1 × 17 1 × 4079 1

素因数の和:4120
約数の個数: 80
約数和(自身を含む): 163918080
約数和(自身を除く): 102896240

約数列:
[1, 2, 4, 5, 8, 10, 11, 16, 17, 20, 22, 34, 40, 44, 55, 68, 80, 85, 88, 110, 136, 170, 176, 187, 220, 272, 340, 374, 440, 680, 748, 880, 935, 1360, 1496, 1870, 2992, 3740, 4079, 7480, 8158, 14960, 16316, 20395, 32632, 40790, 44869, 65264, 69343, 81580, 89738, 138686, 163160, 179476, 224345, 277372, 326320, 346715, 358952, 448690, 554744, 693430, 717904, 762773, 897380, 1109488, 1386860, 1525546, 1794760, 2773720, 3051092, 3589520, 3813865, 5547440, 6102184, 7627730, 12204368, 15255460, 30510920, 61021840]

約数ペア:
[(1, 61021840), (2, 30510920), (4, 15255460), (5, 12204368), (8, 7627730), (10, 6102184), (11, 5547440), (16, 3813865), (17, 3589520), (20, 3051092), (22, 2773720), (34, 1794760), (40, 1525546), (44, 1386860), (55, 1109488), (68, 897380), (80, 762773), (85, 717904), (88, 693430), (110, 554744), (136, 448690), (170, 358952), (176, 346715), (187, 326320), (220, 277372), (272, 224345), (340, 179476), (374, 163160), (440, 138686), (680, 89738), (748, 81580), (880, 69343), (935, 65264), (1360, 44869), (1496, 40790), (1870, 32632), (2992, 20395), (3740, 16316), (4079, 14960), (7480, 8158)]

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