16886320

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{619}}^1$

素因数の和:674

約数の個数: 80

約数和(自身を含む): 44282880

約数和(自身を除く): 27396560

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 31, 40, 44, 55, 62, 80, 88, 110, 124, 155, 176, 220, 248, 310, 341, 440, 496, 619, 620, 682, 880, 1238, 1240, 1364, 1705, 2476, 2480, 2728, 3095, 3410, 4952, 5456, 6190, 6809, 6820, 9904, 12380, 13618, 13640, 19189, 24760, 27236, 27280, 34045, 38378, 49520, 54472, 68090, 76756, 95945, 108944, 136180, 153512, 191890, 211079, 272360, 307024, 383780, 422158, 544720, 767560, 844316, 1055395, 1535120, 1688632, 2110790, 3377264, 4221580, 8443160, 16886320]

約数ペア:

[(1, 16886320), (2, 8443160), (4, 4221580), (5, 3377264), (8, 2110790), (10, 1688632), (11, 1535120), (16, 1055395), (20, 844316), (22, 767560), (31, 544720), (40, 422158), (44, 383780), (55, 307024), (62, 272360), (80, 211079), (88, 191890), (110, 153512), (124, 136180), (155, 108944), (176, 95945), (220, 76756), (248, 68090), (310, 54472), (341, 49520), (440, 38378), (496, 34045), (619, 27280), (620, 27236), (682, 24760), (880, 19189), (1238, 13640), (1240, 13618), (1364, 12380), (1705, 9904), (2476, 6820), (2480, 6809), (2728, 6190), (3095, 5456), (3410, 4952)]